222881440

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3581}}^1$

素因数の和:3985

約数の個数: 48

約数和(自身を含む): 528058440

約数和(自身を除く): 305177000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3112, 3581, 3890, 6224, 7162, 7780, 12448, 14324, 15560, 17905, 28648, 31120, 35810, 57296, 62240, 71620, 114592, 143240, 286480, 572960, 1393009, 2786018, 5572036, 6965045, 11144072, 13930090, 22288144, 27860180, 44576288, 55720360, 111440720, 222881440]

約数ペア:

[(1, 222881440), (2, 111440720), (4, 55720360), (5, 44576288), (8, 27860180), (10, 22288144), (16, 13930090), (20, 11144072), (32, 6965045), (40, 5572036), (80, 2786018), (160, 1393009), (389, 572960), (778, 286480), (1556, 143240), (1945, 114592), (3112, 71620), (3581, 62240), (3890, 57296), (6224, 35810), (7162, 31120), (7780, 28648), (12448, 17905), (14324, 15560)]