245550376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 500860800

約数和(自身を除く): 255310424

約数列:

[1, 2, 4, 8, 19, 38, 61, 71, 76, 122, 142, 152, 244, 284, 373, 488, 568, 746, 1159, 1349, 1492, 2318, 2698, 2984, 4331, 4636, 5396, 7087, 8662, 9272, 10792, 14174, 17324, 22753, 26483, 28348, 34648, 45506, 52966, 56696, 82289, 91012, 105932, 164578, 182024, 211864, 329156, 432307, 503177, 658312, 864614, 1006354, 1615463, 1729228, 2012708, 3230926, 3458456, 4025416, 6461852, 12923704, 30693797, 61387594, 122775188, 245550376]

約数ペア:

[(1, 245550376), (2, 122775188), (4, 61387594), (8, 30693797), (19, 12923704), (38, 6461852), (61, 4025416), (71, 3458456), (76, 3230926), (122, 2012708), (142, 1729228), (152, 1615463), (244, 1006354), (284, 864614), (373, 658312), (488, 503177), (568, 432307), (746, 329156), (1159, 211864), (1349, 182024), (1492, 164578), (2318, 105932), (2698, 91012), (2984, 82289), (4331, 56696), (4636, 52966), (5396, 45506), (7087, 34648), (8662, 28348), (9272, 26483), (10792, 22753), (14174, 17324)]