127031180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 276648960

約数和(自身を除く): 149617780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 619, 620, 662, 1238, 1324, 1655, 2476, 3095, 3310, 6190, 6620, 10261, 12380, 19189, 20522, 38378, 41044, 51305, 76756, 95945, 102610, 191890, 204889, 205220, 383780, 409778, 819556, 1024445, 2048890, 4097780, 6351559, 12703118, 25406236, 31757795, 63515590, 127031180]

約数ペア:

[(1, 127031180), (2, 63515590), (4, 31757795), (5, 25406236), (10, 12703118), (20, 6351559), (31, 4097780), (62, 2048890), (124, 1024445), (155, 819556), (310, 409778), (331, 383780), (619, 205220), (620, 204889), (662, 191890), (1238, 102610), (1324, 95945), (1655, 76756), (2476, 51305), (3095, 41044), (3310, 38378), (6190, 20522), (6620, 19189), (10261, 12380)]