861936400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5347}}^1$

素因数の和:5409

約数の個数: 120

約数和(自身を含む): 2302463744

約数和(自身を除く): 1440527344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 5200, 5347, 6200, 6448, 8060, 10075, 10694, 12400, 16120, 20150, 21388, 26735, 32240, 40300, 42776, 53470, 69511, 80600, 85552, 106940, 133675, 139022, 161200, 165757, 213880, 267350, 278044, 331514, 347555, 427760, 534700, 556088, 663028, 695110, 828785, 1069400, 1112176, 1326056, 1390220, 1657570, 1737775, 2138800, 2154841, 2652112, 2780440, 3315140, 3475550, 4143925, 4309682, 5560880, 6630280, 6951100, 8287850, 8619364, 10774205, 13260560, 13902200, 16575700, 17238728, 21548410, 27804400, 33151400, 34477456, 43096820, 53871025, 66302800, 86193640, 107742050, 172387280, 215484100, 430968200, 861936400]

約数ペア:

[(1, 861936400), (2, 430968200), (4, 215484100), (5, 172387280), (8, 107742050), (10, 86193640), (13, 66302800), (16, 53871025), (20, 43096820), (25, 34477456), (26, 33151400), (31, 27804400), (40, 21548410), (50, 17238728), (52, 16575700), (62, 13902200), (65, 13260560), (80, 10774205), (100, 8619364), (104, 8287850), (124, 6951100), (130, 6630280), (155, 5560880), (200, 4309682), (208, 4143925), (248, 3475550), (260, 3315140), (310, 2780440), (325, 2652112), (400, 2154841), (403, 2138800), (496, 1737775), (520, 1657570), (620, 1390220), (650, 1326056), (775, 1112176), (806, 1069400), (1040, 828785), (1240, 695110), (1300, 663028), (1550, 556088), (1612, 534700), (2015, 427760), (2480, 347555), (2600, 331514), (3100, 278044), (3224, 267350), (4030, 213880), (5200, 165757), (5347, 161200), (6200, 139022), (6448, 133675), (8060, 106940), (10075, 85552), (10694, 80600), (12400, 69511), (16120, 53470), (20150, 42776), (21388, 40300), (26735, 32240)]