1235138890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{209701}}^1$

素因数の和:209758

約数の個数: 32

約数和(自身を含む): 2415767040

約数和(自身を除く): 1180628150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 209701, 419402, 1048505, 2097010, 3984319, 6500731, 7968638, 13001462, 19921595, 32503655, 39843190, 65007310, 123513889, 247027778, 617569445, 1235138890]

約数ペア:

[(1, 1235138890), (2, 617569445), (5, 247027778), (10, 123513889), (19, 65007310), (31, 39843190), (38, 32503655), (62, 19921595), (95, 13001462), (155, 7968638), (190, 6500731), (310, 3984319), (589, 2097010), (1178, 1048505), (2945, 419402), (5890, 209701)]