31957810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 64696320

約数和(自身を除く): 32738510

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 71, 95, 103, 115, 142, 190, 206, 230, 355, 437, 515, 710, 874, 1030, 1349, 1633, 1957, 2185, 2369, 2698, 3266, 3914, 4370, 4738, 6745, 7313, 8165, 9785, 11845, 13490, 14626, 16330, 19570, 23690, 31027, 36565, 45011, 62054, 73130, 90022, 138947, 155135, 168199, 225055, 277894, 310270, 336398, 450110, 694735, 840995, 1389470, 1681990, 3195781, 6391562, 15978905, 31957810]

約数ペア:

[(1, 31957810), (2, 15978905), (5, 6391562), (10, 3195781), (19, 1681990), (23, 1389470), (38, 840995), (46, 694735), (71, 450110), (95, 336398), (103, 310270), (115, 277894), (142, 225055), (190, 168199), (206, 155135), (230, 138947), (355, 90022), (437, 73130), (515, 62054), (710, 45011), (874, 36565), (1030, 31027), (1349, 23690), (1633, 19570), (1957, 16330), (2185, 14626), (2369, 13490), (2698, 11845), (3266, 9785), (3914, 8165), (4370, 7313), (4738, 6745)]