128983400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 192

約数和(自身を含む): 389558400

約数和(自身を除く): 260575000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 40, 50, 52, 56, 65, 70, 76, 91, 95, 100, 104, 130, 133, 140, 152, 175, 182, 190, 200, 247, 260, 266, 280, 325, 350, 364, 373, 380, 455, 475, 494, 520, 532, 650, 665, 700, 728, 746, 760, 910, 950, 988, 1064, 1235, 1300, 1330, 1400, 1492, 1729, 1820, 1865, 1900, 1976, 2275, 2470, 2600, 2611, 2660, 2984, 3325, 3458, 3640, 3730, 3800, 4550, 4849, 4940, 5222, 5320, 6175, 6650, 6916, 7087, 7460, 8645, 9100, 9325, 9698, 9880, 10444, 12350, 13055, 13300, 13832, 14174, 14920, 17290, 18200, 18650, 19396, 20888, 24245, 24700, 26110, 26600, 28348, 33943, 34580, 35435, 37300, 38792, 43225, 48490, 49400, 49609, 52220, 56696, 65275, 67886, 69160, 70870, 74600, 86450, 92131, 96980, 99218, 104440, 121225, 130550, 135772, 141740, 169715, 172900, 177175, 184262, 193960, 198436, 242450, 248045, 261100, 271544, 283480, 339430, 345800, 354350, 368524, 396872, 460655, 484900, 496090, 522200, 644917, 678860, 708700, 737048, 848575, 921310, 969800, 992180, 1240225, 1289834, 1357720, 1417400, 1697150, 1842620, 1984360, 2303275, 2480450, 2579668, 3224585, 3394300, 3685240, 4606550, 4960900, 5159336, 6449170, 6788600, 9213100, 9921800, 12898340, 16122925, 18426200, 25796680, 32245850, 64491700, 128983400]

約数ペア:

[(1, 128983400), (2, 64491700), (4, 32245850), (5, 25796680), (7, 18426200), (8, 16122925), (10, 12898340), (13, 9921800), (14, 9213100), (19, 6788600), (20, 6449170), (25, 5159336), (26, 4960900), (28, 4606550), (35, 3685240), (38, 3394300), (40, 3224585), (50, 2579668), (52, 2480450), (56, 2303275), (65, 1984360), (70, 1842620), (76, 1697150), (91, 1417400), (95, 1357720), (100, 1289834), (104, 1240225), (130, 992180), (133, 969800), (140, 921310), (152, 848575), (175, 737048), (182, 708700), (190, 678860), (200, 644917), (247, 522200), (260, 496090), (266, 484900), (280, 460655), (325, 396872), (350, 368524), (364, 354350), (373, 345800), (380, 339430), (455, 283480), (475, 271544), (494, 261100), (520, 248045), (532, 242450), (650, 198436), (665, 193960), (700, 184262), (728, 177175), (746, 172900), (760, 169715), (910, 141740), (950, 135772), (988, 130550), (1064, 121225), (1235, 104440), (1300, 99218), (1330, 96980), (1400, 92131), (1492, 86450), (1729, 74600), (1820, 70870), (1865, 69160), (1900, 67886), (1976, 65275), (2275, 56696), (2470, 52220), (2600, 49609), (2611, 49400), (2660, 48490), (2984, 43225), (3325, 38792), (3458, 37300), (3640, 35435), (3730, 34580), (3800, 33943), (4550, 28348), (4849, 26600), (4940, 26110), (5222, 24700), (5320, 24245), (6175, 20888), (6650, 19396), (6916, 18650), (7087, 18200), (7460, 17290), (8645, 14920), (9100, 14174), (9325, 13832), (9698, 13300), (9880, 13055), (10444, 12350)]