207703720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23929}}^1$

素因数の和:23978

約数の個数: 64

約数和(自身を含む): 551347200

約数和(自身を除く): 343643480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 23929, 47858, 95716, 119645, 167503, 191432, 239290, 335006, 478580, 670012, 741799, 837515, 957160, 1340024, 1483598, 1675030, 2967196, 3350060, 3708995, 5192593, 5934392, 6700120, 7417990, 10385186, 14835980, 20770372, 25962965, 29671960, 41540744, 51925930, 103851860, 207703720]

約数ペア:

[(1, 207703720), (2, 103851860), (4, 51925930), (5, 41540744), (7, 29671960), (8, 25962965), (10, 20770372), (14, 14835980), (20, 10385186), (28, 7417990), (31, 6700120), (35, 5934392), (40, 5192593), (56, 3708995), (62, 3350060), (70, 2967196), (124, 1675030), (140, 1483598), (155, 1340024), (217, 957160), (248, 837515), (280, 741799), (310, 670012), (434, 478580), (620, 335006), (868, 239290), (1085, 191432), (1240, 167503), (1736, 119645), (2170, 95716), (4340, 47858), (8680, 23929)]