698901990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 1787111424

約数和(自身を除く): 1088209434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 53, 71, 82, 106, 123, 142, 151, 159, 205, 213, 246, 265, 302, 318, 355, 410, 426, 453, 530, 615, 710, 755, 795, 906, 1065, 1230, 1510, 1590, 2130, 2173, 2265, 2911, 3763, 4346, 4530, 5822, 6191, 6519, 7526, 8003, 8733, 10721, 10865, 11289, 12382, 13038, 14555, 16006, 17466, 18573, 18815, 21442, 21730, 22578, 24009, 29110, 30955, 32163, 32595, 37146, 37630, 40015, 43665, 48018, 53605, 56445, 61910, 64326, 65190, 80030, 87330, 92865, 107210, 112890, 120045, 154283, 160815, 185730, 240090, 308566, 321630, 328123, 439561, 462849, 568213, 656246, 771415, 879122, 925698, 984369, 1136426, 1318683, 1542830, 1640615, 1704639, 1968738, 2197805, 2314245, 2637366, 2841065, 3281230, 3409278, 4395610, 4628490, 4921845, 5682130, 6593415, 8523195, 9843690, 13186830, 17046390, 23296733, 46593466, 69890199, 116483665, 139780398, 232967330, 349450995, 698901990]

約数ペア:

[(1, 698901990), (2, 349450995), (3, 232967330), (5, 139780398), (6, 116483665), (10, 69890199), (15, 46593466), (30, 23296733), (41, 17046390), (53, 13186830), (71, 9843690), (82, 8523195), (106, 6593415), (123, 5682130), (142, 4921845), (151, 4628490), (159, 4395610), (205, 3409278), (213, 3281230), (246, 2841065), (265, 2637366), (302, 2314245), (318, 2197805), (355, 1968738), (410, 1704639), (426, 1640615), (453, 1542830), (530, 1318683), (615, 1136426), (710, 984369), (755, 925698), (795, 879122), (906, 771415), (1065, 656246), (1230, 568213), (1510, 462849), (1590, 439561), (2130, 328123), (2173, 321630), (2265, 308566), (2911, 240090), (3763, 185730), (4346, 160815), (4530, 154283), (5822, 120045), (6191, 112890), (6519, 107210), (7526, 92865), (8003, 87330), (8733, 80030), (10721, 65190), (10865, 64326), (11289, 61910), (12382, 56445), (13038, 53605), (14555, 48018), (16006, 43665), (17466, 40015), (18573, 37630), (18815, 37146), (21442, 32595), (21730, 32163), (22578, 30955), (24009, 29110)]