387564280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4951}}^1$

素因数の和:5084

約数の個数: 64

約数和(自身を含む): 927014400

約数和(自身を除く): 539450120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1957, 2060, 3914, 4120, 4951, 7828, 9785, 9902, 15656, 19570, 19804, 24755, 39140, 39608, 49510, 78280, 94069, 99020, 188138, 198040, 376276, 470345, 509953, 752552, 940690, 1019906, 1881380, 2039812, 2549765, 3762760, 4079624, 5099530, 9689107, 10199060, 19378214, 20398120, 38756428, 48445535, 77512856, 96891070, 193782140, 387564280]

約数ペア:

[(1, 387564280), (2, 193782140), (4, 96891070), (5, 77512856), (8, 48445535), (10, 38756428), (19, 20398120), (20, 19378214), (38, 10199060), (40, 9689107), (76, 5099530), (95, 4079624), (103, 3762760), (152, 2549765), (190, 2039812), (206, 1881380), (380, 1019906), (412, 940690), (515, 752552), (760, 509953), (824, 470345), (1030, 376276), (1957, 198040), (2060, 188138), (3914, 99020), (4120, 94069), (4951, 78280), (7828, 49510), (9785, 39608), (9902, 39140), (15656, 24755), (19570, 19804)]