919975980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{28447}}^1$

素因数の和:28484

約数の個数: 144

約数和(自身を含む): 3269016576

約数和(自身を除く): 2349040596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2310, 2695, 2940, 3234, 4620, 5390, 6468, 8085, 10780, 16170, 28447, 32340, 56894, 85341, 113788, 142235, 170682, 199129, 284470, 312917, 341364, 398258, 426705, 568940, 597387, 625834, 796516, 853410, 938751, 995645, 1194774, 1251668, 1393903, 1564585, 1706820, 1877502, 1991290, 2190419, 2389548, 2787806, 2986935, 3129170, 3755004, 3982580, 4181709, 4380838, 4693755, 5575612, 5973870, 6258340, 6571257, 6969515, 8363418, 8761676, 9387510, 10952095, 11947740, 13142514, 13939030, 15332933, 16726836, 18775020, 20908545, 21904190, 26285028, 27878060, 30665866, 32856285, 41817090, 43808380, 45998799, 61331732, 65712570, 76664665, 83634180, 91997598, 131425140, 153329330, 183995196, 229993995, 306658660, 459987990, 919975980]

約数ペア:

[(1, 919975980), (2, 459987990), (3, 306658660), (4, 229993995), (5, 183995196), (6, 153329330), (7, 131425140), (10, 91997598), (11, 83634180), (12, 76664665), (14, 65712570), (15, 61331732), (20, 45998799), (21, 43808380), (22, 41817090), (28, 32856285), (30, 30665866), (33, 27878060), (35, 26285028), (42, 21904190), (44, 20908545), (49, 18775020), (55, 16726836), (60, 15332933), (66, 13939030), (70, 13142514), (77, 11947740), (84, 10952095), (98, 9387510), (105, 8761676), (110, 8363418), (132, 6969515), (140, 6571257), (147, 6258340), (154, 5973870), (165, 5575612), (196, 4693755), (210, 4380838), (220, 4181709), (231, 3982580), (245, 3755004), (294, 3129170), (308, 2986935), (330, 2787806), (385, 2389548), (420, 2190419), (462, 1991290), (490, 1877502), (539, 1706820), (588, 1564585), (660, 1393903), (735, 1251668), (770, 1194774), (924, 995645), (980, 938751), (1078, 853410), (1155, 796516), (1470, 625834), (1540, 597387), (1617, 568940), (2156, 426705), (2310, 398258), (2695, 341364), (2940, 312917), (3234, 284470), (4620, 199129), (5390, 170682), (6468, 142235), (8085, 113788), (10780, 85341), (16170, 56894), (28447, 32340)]