478657880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1103}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 1136678400

約数和(自身を除く): 658020520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 571, 760, 1103, 1142, 2206, 2284, 2855, 4412, 4568, 5515, 5710, 8824, 10849, 11030, 11420, 20957, 21698, 22060, 22840, 41914, 43396, 44120, 54245, 83828, 86792, 104785, 108490, 167656, 209570, 216980, 419140, 433960, 629813, 838280, 1259626, 2519252, 3149065, 5038504, 6298130, 11966447, 12596260, 23932894, 25192520, 47865788, 59832235, 95731576, 119664470, 239328940, 478657880]

約数ペア:

[(1, 478657880), (2, 239328940), (4, 119664470), (5, 95731576), (8, 59832235), (10, 47865788), (19, 25192520), (20, 23932894), (38, 12596260), (40, 11966447), (76, 6298130), (95, 5038504), (152, 3149065), (190, 2519252), (380, 1259626), (571, 838280), (760, 629813), (1103, 433960), (1142, 419140), (2206, 216980), (2284, 209570), (2855, 167656), (4412, 108490), (4568, 104785), (5515, 86792), (5710, 83828), (8824, 54245), (10849, 44120), (11030, 43396), (11420, 41914), (20957, 22840), (21698, 22060)]