31224760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 83106000

約数和(自身を除く): 51881240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 179, 196, 245, 280, 356, 358, 392, 445, 490, 623, 712, 716, 890, 895, 980, 1246, 1253, 1432, 1780, 1790, 1960, 2492, 2506, 3115, 3560, 3580, 4361, 4984, 5012, 6230, 6265, 7160, 8722, 8771, 10024, 12460, 12530, 15931, 17444, 17542, 21805, 24920, 25060, 31862, 34888, 35084, 43610, 43855, 50120, 63724, 70168, 79655, 87220, 87710, 111517, 127448, 159310, 174440, 175420, 223034, 318620, 350840, 446068, 557585, 637240, 780619, 892136, 1115170, 1561238, 2230340, 3122476, 3903095, 4460680, 6244952, 7806190, 15612380, 31224760]

約数ペア:

[(1, 31224760), (2, 15612380), (4, 7806190), (5, 6244952), (7, 4460680), (8, 3903095), (10, 3122476), (14, 2230340), (20, 1561238), (28, 1115170), (35, 892136), (40, 780619), (49, 637240), (56, 557585), (70, 446068), (89, 350840), (98, 318620), (140, 223034), (178, 175420), (179, 174440), (196, 159310), (245, 127448), (280, 111517), (356, 87710), (358, 87220), (392, 79655), (445, 70168), (490, 63724), (623, 50120), (712, 43855), (716, 43610), (890, 35084), (895, 34888), (980, 31862), (1246, 25060), (1253, 24920), (1432, 21805), (1780, 17542), (1790, 17444), (1960, 15931), (2492, 12530), (2506, 12460), (3115, 10024), (3560, 8771), (3580, 8722), (4361, 7160), (4984, 6265), (5012, 6230)]