408800600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157231}}^1$

素因数の和:157260

約数の個数: 48

約数和(自身を含む): 1023580320

約数和(自身を除く): 614779720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 157231, 314462, 628924, 786155, 1257848, 1572310, 2044003, 3144620, 3930775, 4088006, 6289240, 7861550, 8176012, 10220015, 15723100, 16352024, 20440030, 31446200, 40880060, 51100075, 81760120, 102200150, 204400300, 408800600]

約数ペア:

[(1, 408800600), (2, 204400300), (4, 102200150), (5, 81760120), (8, 51100075), (10, 40880060), (13, 31446200), (20, 20440030), (25, 16352024), (26, 15723100), (40, 10220015), (50, 8176012), (52, 7861550), (65, 6289240), (100, 4088006), (104, 3930775), (130, 3144620), (200, 2044003), (260, 1572310), (325, 1257848), (520, 786155), (650, 628924), (1300, 314462), (2600, 157231)]