201520904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 420819840

約数和(自身を除く): 219298936

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 167, 283, 328, 334, 533, 566, 668, 1066, 1132, 1336, 2132, 2171, 2264, 3679, 4264, 4342, 6847, 7358, 8684, 11603, 13694, 14716, 17368, 23206, 27388, 29432, 46412, 47261, 54776, 89011, 92824, 94522, 150839, 178022, 189044, 301678, 356044, 378088, 603356, 614393, 712088, 1206712, 1228786, 1937701, 2457572, 3875402, 4915144, 7750804, 15501608, 25190113, 50380226, 100760452, 201520904]

約数ペア:

[(1, 201520904), (2, 100760452), (4, 50380226), (8, 25190113), (13, 15501608), (26, 7750804), (41, 4915144), (52, 3875402), (82, 2457572), (104, 1937701), (164, 1228786), (167, 1206712), (283, 712088), (328, 614393), (334, 603356), (533, 378088), (566, 356044), (668, 301678), (1066, 189044), (1132, 178022), (1336, 150839), (2132, 94522), (2171, 92824), (2264, 89011), (3679, 54776), (4264, 47261), (4342, 46412), (6847, 29432), (7358, 27388), (8684, 23206), (11603, 17368), (13694, 14716)]