420021472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 919749600

約数和(自身を除く): 499728128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 109, 118, 157, 208, 218, 236, 314, 416, 436, 472, 628, 767, 872, 944, 1256, 1417, 1534, 1744, 1888, 2041, 2512, 2834, 3068, 3488, 4082, 5024, 5668, 6136, 6431, 8164, 9263, 11336, 12272, 12862, 16328, 17113, 18526, 22672, 24544, 25724, 32656, 34226, 37052, 45344, 51448, 65312, 68452, 74104, 83603, 102896, 120419, 136904, 148208, 167206, 205792, 222469, 240838, 273808, 296416, 334412, 444938, 481676, 547616, 668824, 889876, 963352, 1009667, 1337648, 1779752, 1926704, 2019334, 2675296, 3559504, 3853408, 4038668, 7119008, 8077336, 13125671, 16154672, 26251342, 32309344, 52502684, 105005368, 210010736, 420021472]

約数ペア:

[(1, 420021472), (2, 210010736), (4, 105005368), (8, 52502684), (13, 32309344), (16, 26251342), (26, 16154672), (32, 13125671), (52, 8077336), (59, 7119008), (104, 4038668), (109, 3853408), (118, 3559504), (157, 2675296), (208, 2019334), (218, 1926704), (236, 1779752), (314, 1337648), (416, 1009667), (436, 963352), (472, 889876), (628, 668824), (767, 547616), (872, 481676), (944, 444938), (1256, 334412), (1417, 296416), (1534, 273808), (1744, 240838), (1888, 222469), (2041, 205792), (2512, 167206), (2834, 148208), (3068, 136904), (3488, 120419), (4082, 102896), (5024, 83603), (5668, 74104), (6136, 68452), (6431, 65312), (8164, 51448), (9263, 45344), (11336, 37052), (12272, 34226), (12862, 32656), (16328, 25724), (17113, 24544), (18526, 22672)]