28430800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 74934936

約数和(自身を除く): 46504136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 37, 40, 50, 68, 74, 80, 85, 100, 113, 136, 148, 170, 185, 200, 226, 272, 296, 340, 370, 400, 425, 452, 565, 592, 629, 680, 740, 850, 904, 925, 1130, 1258, 1360, 1480, 1700, 1808, 1850, 1921, 2260, 2516, 2825, 2960, 3145, 3400, 3700, 3842, 4181, 4520, 5032, 5650, 6290, 6800, 7400, 7684, 8362, 9040, 9605, 10064, 11300, 12580, 14800, 15368, 15725, 16724, 19210, 20905, 22600, 25160, 30736, 31450, 33448, 38420, 41810, 45200, 48025, 50320, 62900, 66896, 71077, 76840, 83620, 96050, 104525, 125800, 142154, 153680, 167240, 192100, 209050, 251600, 284308, 334480, 355385, 384200, 418100, 568616, 710770, 768400, 836200, 1137232, 1421540, 1672400, 1776925, 2843080, 3553850, 5686160, 7107700, 14215400, 28430800]

約数ペア:

[(1, 28430800), (2, 14215400), (4, 7107700), (5, 5686160), (8, 3553850), (10, 2843080), (16, 1776925), (17, 1672400), (20, 1421540), (25, 1137232), (34, 836200), (37, 768400), (40, 710770), (50, 568616), (68, 418100), (74, 384200), (80, 355385), (85, 334480), (100, 284308), (113, 251600), (136, 209050), (148, 192100), (170, 167240), (185, 153680), (200, 142154), (226, 125800), (272, 104525), (296, 96050), (340, 83620), (370, 76840), (400, 71077), (425, 66896), (452, 62900), (565, 50320), (592, 48025), (629, 45200), (680, 41810), (740, 38420), (850, 33448), (904, 31450), (925, 30736), (1130, 25160), (1258, 22600), (1360, 20905), (1480, 19210), (1700, 16724), (1808, 15725), (1850, 15368), (1921, 14800), (2260, 12580), (2516, 11300), (2825, 10064), (2960, 9605), (3145, 9040), (3400, 8362), (3700, 7684), (3842, 7400), (4181, 6800), (4520, 6290), (5032, 5650)]