828993940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{70373}}^1$

素因数の和:70432

約数の個数: 48

約数和(自身を含む): 1891653120

約数和(自身を除く): 1062659180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 70373, 140746, 281492, 351865, 703730, 1337087, 1407460, 2181563, 2674174, 4363126, 5348348, 6685435, 8726252, 10907815, 13370870, 21815630, 26741740, 41449697, 43631260, 82899394, 165798788, 207248485, 414496970, 828993940]

約数ペア:

[(1, 828993940), (2, 414496970), (4, 207248485), (5, 165798788), (10, 82899394), (19, 43631260), (20, 41449697), (31, 26741740), (38, 21815630), (62, 13370870), (76, 10907815), (95, 8726252), (124, 6685435), (155, 5348348), (190, 4363126), (310, 2674174), (380, 2181563), (589, 1407460), (620, 1337087), (1178, 703730), (2356, 351865), (2945, 281492), (5890, 140746), (11780, 70373)]