779968400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 120

約数和(自身を含む): 1937283744

約数和(自身を除く): 1157315344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 137, 172, 200, 215, 274, 331, 344, 400, 430, 548, 662, 685, 688, 860, 1075, 1096, 1324, 1370, 1655, 1720, 2150, 2192, 2648, 2740, 3310, 3425, 3440, 4300, 5296, 5480, 5891, 6620, 6850, 8275, 8600, 10960, 11782, 13240, 13700, 14233, 16550, 17200, 23564, 26480, 27400, 28466, 29455, 33100, 45347, 47128, 54800, 56932, 58910, 66200, 71165, 90694, 94256, 113864, 117820, 132400, 142330, 147275, 181388, 226735, 227728, 235640, 284660, 294550, 355825, 362776, 453470, 471280, 569320, 589100, 711650, 725552, 906940, 1133675, 1138640, 1178200, 1423300, 1813880, 1949921, 2267350, 2356400, 2846600, 3627760, 3899842, 4534700, 5693200, 7799684, 9069400, 9749605, 15599368, 18138800, 19499210, 31198736, 38998420, 48748025, 77996840, 97496050, 155993680, 194992100, 389984200, 779968400]

約数ペア:

[(1, 779968400), (2, 389984200), (4, 194992100), (5, 155993680), (8, 97496050), (10, 77996840), (16, 48748025), (20, 38998420), (25, 31198736), (40, 19499210), (43, 18138800), (50, 15599368), (80, 9749605), (86, 9069400), (100, 7799684), (137, 5693200), (172, 4534700), (200, 3899842), (215, 3627760), (274, 2846600), (331, 2356400), (344, 2267350), (400, 1949921), (430, 1813880), (548, 1423300), (662, 1178200), (685, 1138640), (688, 1133675), (860, 906940), (1075, 725552), (1096, 711650), (1324, 589100), (1370, 569320), (1655, 471280), (1720, 453470), (2150, 362776), (2192, 355825), (2648, 294550), (2740, 284660), (3310, 235640), (3425, 227728), (3440, 226735), (4300, 181388), (5296, 147275), (5480, 142330), (5891, 132400), (6620, 117820), (6850, 113864), (8275, 94256), (8600, 90694), (10960, 71165), (11782, 66200), (13240, 58910), (13700, 56932), (14233, 54800), (16550, 47128), (17200, 45347), (23564, 33100), (26480, 29455), (27400, 28466)]