497658920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 1257984000

約数和(自身を除く): 760325080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 103, 110, 139, 158, 206, 220, 278, 316, 395, 412, 440, 515, 556, 632, 695, 790, 824, 869, 1030, 1112, 1133, 1390, 1529, 1580, 1738, 2060, 2266, 2780, 3058, 3160, 3476, 4120, 4345, 4532, 5560, 5665, 6116, 6952, 7645, 8137, 8690, 9064, 10981, 11330, 12232, 14317, 15290, 16274, 17380, 21962, 22660, 28634, 30580, 32548, 34760, 40685, 43924, 45320, 54905, 57268, 61160, 65096, 71585, 81370, 87848, 89507, 109810, 114536, 120791, 143170, 157487, 162740, 179014, 219620, 241582, 286340, 314974, 325480, 358028, 439240, 447535, 483164, 572680, 603955, 629948, 716056, 787435, 895070, 966328, 1131043, 1207910, 1259896, 1574870, 1790140, 2262086, 2415820, 3149740, 3580280, 4524172, 4831640, 5655215, 6299480, 9048344, 11310430, 12441473, 22620860, 24882946, 45241720, 49765892, 62207365, 99531784, 124414730, 248829460, 497658920]

約数ペア:

[(1, 497658920), (2, 248829460), (4, 124414730), (5, 99531784), (8, 62207365), (10, 49765892), (11, 45241720), (20, 24882946), (22, 22620860), (40, 12441473), (44, 11310430), (55, 9048344), (79, 6299480), (88, 5655215), (103, 4831640), (110, 4524172), (139, 3580280), (158, 3149740), (206, 2415820), (220, 2262086), (278, 1790140), (316, 1574870), (395, 1259896), (412, 1207910), (440, 1131043), (515, 966328), (556, 895070), (632, 787435), (695, 716056), (790, 629948), (824, 603955), (869, 572680), (1030, 483164), (1112, 447535), (1133, 439240), (1390, 358028), (1529, 325480), (1580, 314974), (1738, 286340), (2060, 241582), (2266, 219620), (2780, 179014), (3058, 162740), (3160, 157487), (3476, 143170), (4120, 120791), (4345, 114536), (4532, 109810), (5560, 89507), (5665, 87848), (6116, 81370), (6952, 71585), (7645, 65096), (8137, 61160), (8690, 57268), (9064, 54905), (10981, 45320), (11330, 43924), (12232, 40685), (14317, 34760), (15290, 32548), (16274, 30580), (17380, 28634), (21962, 22660)]