219608960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11069}}^1$

素因数の和:11119

約数の個数: 64

約数和(自身を含む): 541987200

約数和(自身を除く): 322378240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11069, 19840, 22138, 44276, 55345, 88552, 110690, 177104, 221380, 343139, 354208, 442760, 686278, 708416, 885520, 1372556, 1416832, 1715695, 1771040, 2745112, 3431390, 3542080, 5490224, 6862780, 7084160, 10980448, 13725560, 21960896, 27451120, 43921792, 54902240, 109804480, 219608960]

約数ペア:

[(1, 219608960), (2, 109804480), (4, 54902240), (5, 43921792), (8, 27451120), (10, 21960896), (16, 13725560), (20, 10980448), (31, 7084160), (32, 6862780), (40, 5490224), (62, 3542080), (64, 3431390), (80, 2745112), (124, 1771040), (128, 1715695), (155, 1416832), (160, 1372556), (248, 885520), (310, 708416), (320, 686278), (496, 442760), (620, 354208), (640, 343139), (992, 221380), (1240, 177104), (1984, 110690), (2480, 88552), (3968, 55345), (4960, 44276), (9920, 22138), (11069, 19840)]