291269840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2711}}^1$

素因数の和:2820

約数の個数: 80

約数和(自身を含む): 726382080

約数和(自身を除く): 435112240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2686, 2711, 3160, 5372, 5422, 6320, 6715, 10744, 10844, 13430, 13555, 21488, 21688, 26860, 27110, 43376, 46087, 53720, 54220, 92174, 107440, 108440, 184348, 214169, 216880, 230435, 368696, 428338, 460870, 737392, 856676, 921740, 1070845, 1713352, 1843480, 2141690, 3426704, 3640873, 3686960, 4283380, 7281746, 8566760, 14563492, 17133520, 18204365, 29126984, 36408730, 58253968, 72817460, 145634920, 291269840]

約数ペア:

[(1, 291269840), (2, 145634920), (4, 72817460), (5, 58253968), (8, 36408730), (10, 29126984), (16, 18204365), (17, 17133520), (20, 14563492), (34, 8566760), (40, 7281746), (68, 4283380), (79, 3686960), (80, 3640873), (85, 3426704), (136, 2141690), (158, 1843480), (170, 1713352), (272, 1070845), (316, 921740), (340, 856676), (395, 737392), (632, 460870), (680, 428338), (790, 368696), (1264, 230435), (1343, 216880), (1360, 214169), (1580, 184348), (2686, 108440), (2711, 107440), (3160, 92174), (5372, 54220), (5422, 53720), (6320, 46087), (6715, 43376), (10744, 27110), (10844, 26860), (13430, 21688), (13555, 21488)]