491330386760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5721127}}^1$

素因数の和:5721270

約数の個数: 64

約数和(自身を含む): 1173975465600

約数和(自身を除く): 682645078840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 1130, 2147, 2260, 4294, 4520, 8588, 10735, 17176, 21470, 42940, 85880, 5721127, 11442254, 22884508, 28605635, 45769016, 57211270, 108701413, 114422540, 217402826, 228845080, 434805652, 543507065, 646487351, 869611304, 1087014130, 1292974702, 2174028260, 2585949404, 3232436755, 4348056520, 5171898808, 6464873510, 12283259669, 12929747020, 24566519338, 25859494040, 49133038676, 61416298345, 98266077352, 122832596690, 245665193380, 491330386760]

約数ペア:

[(1, 491330386760), (2, 245665193380), (4, 122832596690), (5, 98266077352), (8, 61416298345), (10, 49133038676), (19, 25859494040), (20, 24566519338), (38, 12929747020), (40, 12283259669), (76, 6464873510), (95, 5171898808), (113, 4348056520), (152, 3232436755), (190, 2585949404), (226, 2174028260), (380, 1292974702), (452, 1087014130), (565, 869611304), (760, 646487351), (904, 543507065), (1130, 434805652), (2147, 228845080), (2260, 217402826), (4294, 114422540), (4520, 108701413), (8588, 57211270), (10735, 45769016), (17176, 28605635), (21470, 22884508), (42940, 11442254), (85880, 5721127)]