31809230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33509170

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 95, 115, 145, 190, 230, 251, 290, 437, 502, 551, 667, 874, 1102, 1255, 1334, 2185, 2510, 2755, 3335, 4370, 4769, 5510, 5773, 6670, 7279, 9538, 11546, 12673, 14558, 23845, 25346, 28865, 36395, 47690, 57730, 63365, 72790, 109687, 126730, 138301, 167417, 219374, 276602, 334834, 548435, 691505, 837085, 1096870, 1383010, 1674170, 3180923, 6361846, 15904615, 31809230]

約数ペア:

[(1, 31809230), (2, 15904615), (5, 6361846), (10, 3180923), (19, 1674170), (23, 1383010), (29, 1096870), (38, 837085), (46, 691505), (58, 548435), (95, 334834), (115, 276602), (145, 219374), (190, 167417), (230, 138301), (251, 126730), (290, 109687), (437, 72790), (502, 63365), (551, 57730), (667, 47690), (874, 36395), (1102, 28865), (1255, 25346), (1334, 23845), (2185, 14558), (2510, 12673), (2755, 11546), (3335, 9538), (4370, 7279), (4769, 6670), (5510, 5773)]