157228540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 392232960

約数和(自身を除く): 235004420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 127, 140, 148, 185, 239, 254, 259, 370, 478, 508, 518, 635, 740, 889, 956, 1036, 1195, 1270, 1295, 1673, 1778, 2390, 2540, 2590, 3346, 3556, 4445, 4699, 4780, 5180, 6692, 8365, 8843, 8890, 9398, 16730, 17686, 17780, 18796, 23495, 30353, 32893, 33460, 35372, 44215, 46990, 60706, 61901, 65786, 88430, 93980, 121412, 123802, 131572, 151765, 164465, 176860, 212471, 247604, 303530, 309505, 328930, 424942, 607060, 619010, 657860, 849884, 1062355, 1123061, 1238020, 2124710, 2246122, 4249420, 4492244, 5615305, 7861427, 11230610, 15722854, 22461220, 31445708, 39307135, 78614270, 157228540]

約数ペア:

[(1, 157228540), (2, 78614270), (4, 39307135), (5, 31445708), (7, 22461220), (10, 15722854), (14, 11230610), (20, 7861427), (28, 5615305), (35, 4492244), (37, 4249420), (70, 2246122), (74, 2124710), (127, 1238020), (140, 1123061), (148, 1062355), (185, 849884), (239, 657860), (254, 619010), (259, 607060), (370, 424942), (478, 328930), (508, 309505), (518, 303530), (635, 247604), (740, 212471), (889, 176860), (956, 164465), (1036, 151765), (1195, 131572), (1270, 123802), (1295, 121412), (1673, 93980), (1778, 88430), (2390, 65786), (2540, 61901), (2590, 60706), (3346, 46990), (3556, 44215), (4445, 35372), (4699, 33460), (4780, 32893), (5180, 30353), (6692, 23495), (8365, 18796), (8843, 17780), (8890, 17686), (9398, 16730)]