2799697940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{6323}}^1$

素因数の和:6489

約数の個数: 72

約数和(自身を含む): 6416026848

約数和(自身を除く): 3616328908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 169, 260, 262, 338, 524, 655, 676, 845, 1310, 1690, 1703, 2620, 3380, 3406, 6323, 6812, 8515, 12646, 17030, 22139, 25292, 31615, 34060, 44278, 63230, 82199, 88556, 110695, 126460, 164398, 221390, 328796, 410995, 442780, 821990, 828313, 1068587, 1643980, 1656626, 2137174, 3313252, 4141565, 4274348, 5342935, 8283130, 10685870, 10768069, 16566260, 21371740, 21536138, 43072276, 53840345, 107680690, 139984897, 215361380, 279969794, 559939588, 699924485, 1399848970, 2799697940]

約数ペア:

[(1, 2799697940), (2, 1399848970), (4, 699924485), (5, 559939588), (10, 279969794), (13, 215361380), (20, 139984897), (26, 107680690), (52, 53840345), (65, 43072276), (130, 21536138), (131, 21371740), (169, 16566260), (260, 10768069), (262, 10685870), (338, 8283130), (524, 5342935), (655, 4274348), (676, 4141565), (845, 3313252), (1310, 2137174), (1690, 1656626), (1703, 1643980), (2620, 1068587), (3380, 828313), (3406, 821990), (6323, 442780), (6812, 410995), (8515, 328796), (12646, 221390), (17030, 164398), (22139, 126460), (25292, 110695), (31615, 88556), (34060, 82199), (44278, 63230)]