788021240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2659}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 1838592000

約数和(自身を除く): 1050570760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 239, 248, 310, 478, 620, 956, 1195, 1240, 1912, 2390, 2659, 4780, 5318, 7409, 9560, 10636, 13295, 14818, 21272, 26590, 29636, 37045, 53180, 59272, 74090, 82429, 106360, 148180, 164858, 296360, 329716, 412145, 635501, 659432, 824290, 1271002, 1648580, 2542004, 3177505, 3297160, 5084008, 6355010, 12710020, 19700531, 25420040, 39401062, 78802124, 98502655, 157604248, 197005310, 394010620, 788021240]

約数ペア:

[(1, 788021240), (2, 394010620), (4, 197005310), (5, 157604248), (8, 98502655), (10, 78802124), (20, 39401062), (31, 25420040), (40, 19700531), (62, 12710020), (124, 6355010), (155, 5084008), (239, 3297160), (248, 3177505), (310, 2542004), (478, 1648580), (620, 1271002), (956, 824290), (1195, 659432), (1240, 635501), (1912, 412145), (2390, 329716), (2659, 296360), (4780, 164858), (5318, 148180), (7409, 106360), (9560, 82429), (10636, 74090), (13295, 59272), (14818, 53180), (21272, 37045), (26590, 29636)]