123652490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 251983872

約数和(自身を除く): 128331382

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 305, 310, 403, 503, 610, 793, 806, 1006, 1586, 1891, 2015, 2515, 3782, 3965, 4030, 5030, 6539, 7930, 9455, 13078, 15593, 18910, 24583, 30683, 31186, 32695, 49166, 61366, 65390, 77965, 122915, 153415, 155930, 202709, 245830, 306830, 398879, 405418, 797758, 951173, 1013545, 1902346, 1994395, 2027090, 3988790, 4755865, 9511730, 12365249, 24730498, 61826245, 123652490]

約数ペア:

[(1, 123652490), (2, 61826245), (5, 24730498), (10, 12365249), (13, 9511730), (26, 4755865), (31, 3988790), (61, 2027090), (62, 1994395), (65, 1902346), (122, 1013545), (130, 951173), (155, 797758), (305, 405418), (310, 398879), (403, 306830), (503, 245830), (610, 202709), (793, 155930), (806, 153415), (1006, 122915), (1586, 77965), (1891, 65390), (2015, 61366), (2515, 49166), (3782, 32695), (3965, 31186), (4030, 30683), (5030, 24583), (6539, 18910), (7930, 15593), (9455, 13078)]