277769920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28001}}^1$

素因数の和:28049

約数の個数: 56

約数和(自身を含む): 682800768

約数和(自身を除く): 405030848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 560020, 868031, 896032, 1120040, 1736062, 1792064, 2240080, 3472124, 4340155, 4480160, 6944248, 8680310, 8960320, 13888496, 17360620, 27776992, 34721240, 55553984, 69442480, 138884960, 277769920]

約数ペア:

[(1, 277769920), (2, 138884960), (4, 69442480), (5, 55553984), (8, 34721240), (10, 27776992), (16, 17360620), (20, 13888496), (31, 8960320), (32, 8680310), (40, 6944248), (62, 4480160), (64, 4340155), (80, 3472124), (124, 2240080), (155, 1792064), (160, 1736062), (248, 1120040), (310, 896032), (320, 868031), (496, 560020), (620, 448016), (992, 280010), (1240, 224008), (1984, 140005), (2480, 112004), (4960, 56002), (9920, 28001)]