997014760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 2718489600

約数和(自身を除く): 1721474840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 79, 94, 98, 137, 140, 158, 188, 196, 235, 245, 274, 280, 316, 329, 376, 392, 395, 470, 490, 548, 553, 632, 658, 685, 790, 940, 959, 980, 1096, 1106, 1316, 1370, 1580, 1645, 1880, 1918, 1960, 2212, 2303, 2632, 2740, 2765, 3160, 3290, 3713, 3836, 3871, 4424, 4606, 4795, 5480, 5530, 6439, 6580, 6713, 7426, 7672, 7742, 9212, 9590, 10823, 11060, 11515, 12878, 13160, 13426, 14852, 15484, 18424, 18565, 19180, 19355, 21646, 22120, 23030, 25756, 25991, 26852, 29704, 30968, 32195, 33565, 37130, 38360, 38710, 43292, 45073, 46060, 51512, 51982, 53704, 54115, 64390, 67130, 74260, 75761, 77420, 86584, 90146, 92120, 103964, 108230, 128780, 129955, 134260, 148520, 151522, 154840, 180292, 181937, 207928, 216460, 225365, 257560, 259910, 268520, 303044, 315511, 360584, 363874, 378805, 432920, 450730, 508681, 519820, 530327, 606088, 631022, 727748, 757610, 901460, 909685, 1017362, 1039640, 1060654, 1262044, 1455496, 1515220, 1577555, 1802920, 1819370, 2034724, 2121308, 2524088, 2543405, 2651635, 3030440, 3155110, 3560767, 3638740, 4069448, 4242616, 5086810, 5303270, 6310220, 7121534, 7277480, 10173620, 10606540, 12620440, 14243068, 17803835, 20347240, 21213080, 24925369, 28486136, 35607670, 49850738, 71215340, 99701476, 124626845, 142430680, 199402952, 249253690, 498507380, 997014760]

約数ペア:

[(1, 997014760), (2, 498507380), (4, 249253690), (5, 199402952), (7, 142430680), (8, 124626845), (10, 99701476), (14, 71215340), (20, 49850738), (28, 35607670), (35, 28486136), (40, 24925369), (47, 21213080), (49, 20347240), (56, 17803835), (70, 14243068), (79, 12620440), (94, 10606540), (98, 10173620), (137, 7277480), (140, 7121534), (158, 6310220), (188, 5303270), (196, 5086810), (235, 4242616), (245, 4069448), (274, 3638740), (280, 3560767), (316, 3155110), (329, 3030440), (376, 2651635), (392, 2543405), (395, 2524088), (470, 2121308), (490, 2034724), (548, 1819370), (553, 1802920), (632, 1577555), (658, 1515220), (685, 1455496), (790, 1262044), (940, 1060654), (959, 1039640), (980, 1017362), (1096, 909685), (1106, 901460), (1316, 757610), (1370, 727748), (1580, 631022), (1645, 606088), (1880, 530327), (1918, 519820), (1960, 508681), (2212, 450730), (2303, 432920), (2632, 378805), (2740, 363874), (2765, 360584), (3160, 315511), (3290, 303044), (3713, 268520), (3836, 259910), (3871, 257560), (4424, 225365), (4606, 216460), (4795, 207928), (5480, 181937), (5530, 180292), (6439, 154840), (6580, 151522), (6713, 148520), (7426, 134260), (7672, 129955), (7742, 128780), (9212, 108230), (9590, 103964), (10823, 92120), (11060, 90146), (11515, 86584), (12878, 77420), (13160, 75761), (13426, 74260), (14852, 67130), (15484, 64390), (18424, 54115), (18565, 53704), (19180, 51982), (19355, 51512), (21646, 46060), (22120, 45073), (23030, 43292), (25756, 38710), (25991, 38360), (26852, 37130), (29704, 33565), (30968, 32195)]