288996880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116531}}^1$

素因数の和:116575

約数の個数: 40

約数和(自身を含む): 693598464

約数和(自身を除く): 404601584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 116531, 233062, 466124, 582655, 932248, 1165310, 1864496, 2330620, 3612461, 4661240, 7224922, 9322480, 14449844, 18062305, 28899688, 36124610, 57799376, 72249220, 144498440, 288996880]

約数ペア:

[(1, 288996880), (2, 144498440), (4, 72249220), (5, 57799376), (8, 36124610), (10, 28899688), (16, 18062305), (20, 14449844), (31, 9322480), (40, 7224922), (62, 4661240), (80, 3612461), (124, 2330620), (155, 1864496), (248, 1165310), (310, 932248), (496, 582655), (620, 466124), (1240, 233062), (2480, 116531)]