1977938600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:169

約数の個数: 216

約数和(自身を含む): 5304198270

約数和(自身を除く): 3326259670

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 47, 50, 55, 74, 88, 94, 100, 110, 121, 148, 185, 188, 200, 220, 235, 242, 275, 296, 370, 376, 407, 440, 470, 484, 517, 550, 605, 740, 814, 925, 940, 968, 1034, 1100, 1175, 1210, 1480, 1628, 1739, 1850, 1880, 2035, 2068, 2200, 2209, 2350, 2420, 2585, 3025, 3256, 3478, 3700, 4070, 4136, 4418, 4477, 4700, 4840, 5170, 5687, 6050, 6956, 7400, 8140, 8695, 8836, 8954, 9400, 10175, 10340, 11045, 11374, 12100, 12925, 13912, 16280, 17390, 17672, 17908, 19129, 20350, 20680, 22090, 22385, 22748, 24200, 24299, 25850, 28435, 34780, 35816, 38258, 40700, 43475, 44180, 44770, 45496, 48598, 51700, 55225, 56870, 69560, 76516, 81400, 81733, 86950, 88360, 89540, 95645, 97196, 103400, 110450, 111925, 113740, 121495, 142175, 153032, 163466, 173900, 179080, 191290, 194392, 210419, 220900, 223850, 227480, 242990, 267289, 284350, 326932, 347800, 382580, 408665, 420838, 441800, 447700, 478225, 485980, 534578, 568700, 607475, 653864, 765160, 817330, 841676, 895400, 899063, 956450, 971960, 1052095, 1069156, 1137400, 1214950, 1336445, 1634660, 1683352, 1798126, 1912900, 2043325, 2104190, 2138312, 2429900, 2672890, 3269320, 3596252, 3825800, 4086650, 4208380, 4495315, 4859800, 5260475, 5345780, 6682225, 7192504, 8173300, 8416760, 8990630, 9889693, 10520950, 10691560, 13364450, 16346600, 17981260, 19779386, 21041900, 22476575, 26728900, 35962520, 39558772, 42083800, 44953150, 49448465, 53457800, 79117544, 89906300, 98896930, 179812600, 197793860, 247242325, 395587720, 494484650, 988969300, 1977938600]

約数ペア:

[(1, 1977938600), (2, 988969300), (4, 494484650), (5, 395587720), (8, 247242325), (10, 197793860), (11, 179812600), (20, 98896930), (22, 89906300), (25, 79117544), (37, 53457800), (40, 49448465), (44, 44953150), (47, 42083800), (50, 39558772), (55, 35962520), (74, 26728900), (88, 22476575), (94, 21041900), (100, 19779386), (110, 17981260), (121, 16346600), (148, 13364450), (185, 10691560), (188, 10520950), (200, 9889693), (220, 8990630), (235, 8416760), (242, 8173300), (275, 7192504), (296, 6682225), (370, 5345780), (376, 5260475), (407, 4859800), (440, 4495315), (470, 4208380), (484, 4086650), (517, 3825800), (550, 3596252), (605, 3269320), (740, 2672890), (814, 2429900), (925, 2138312), (940, 2104190), (968, 2043325), (1034, 1912900), (1100, 1798126), (1175, 1683352), (1210, 1634660), (1480, 1336445), (1628, 1214950), (1739, 1137400), (1850, 1069156), (1880, 1052095), (2035, 971960), (2068, 956450), (2200, 899063), (2209, 895400), (2350, 841676), (2420, 817330), (2585, 765160), (3025, 653864), (3256, 607475), (3478, 568700), (3700, 534578), (4070, 485980), (4136, 478225), (4418, 447700), (4477, 441800), (4700, 420838), (4840, 408665), (5170, 382580), (5687, 347800), (6050, 326932), (6956, 284350), (7400, 267289), (8140, 242990), (8695, 227480), (8836, 223850), (8954, 220900), (9400, 210419), (10175, 194392), (10340, 191290), (11045, 179080), (11374, 173900), (12100, 163466), (12925, 153032), (13912, 142175), (16280, 121495), (17390, 113740), (17672, 111925), (17908, 110450), (19129, 103400), (20350, 97196), (20680, 95645), (22090, 89540), (22385, 88360), (22748, 86950), (24200, 81733), (24299, 81400), (25850, 76516), (28435, 69560), (34780, 56870), (35816, 55225), (38258, 51700), (40700, 48598), (43475, 45496), (44180, 44770)]