218764910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:658

約数の個数: 96

約数和(自身を含む): 502280352

約数和(自身を除く): 283515442

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 61, 65, 70, 91, 98, 122, 130, 182, 245, 305, 427, 455, 490, 563, 610, 637, 793, 854, 910, 1126, 1274, 1586, 2135, 2815, 2989, 3185, 3941, 3965, 4270, 5551, 5630, 5978, 6370, 7319, 7882, 7930, 11102, 14638, 14945, 19705, 27587, 27755, 29890, 34343, 36595, 38857, 39410, 51233, 55174, 55510, 68686, 73190, 77714, 102466, 137935, 171715, 194285, 240401, 256165, 275870, 343430, 358631, 388570, 446459, 480802, 512330, 717262, 892918, 1202005, 1682807, 1793155, 2232295, 2404010, 3125213, 3365614, 3586310, 4464590, 6250426, 8414035, 15626065, 16828070, 21876491, 31252130, 43752982, 109382455, 218764910]

約数ペア:

[(1, 218764910), (2, 109382455), (5, 43752982), (7, 31252130), (10, 21876491), (13, 16828070), (14, 15626065), (26, 8414035), (35, 6250426), (49, 4464590), (61, 3586310), (65, 3365614), (70, 3125213), (91, 2404010), (98, 2232295), (122, 1793155), (130, 1682807), (182, 1202005), (245, 892918), (305, 717262), (427, 512330), (455, 480802), (490, 446459), (563, 388570), (610, 358631), (637, 343430), (793, 275870), (854, 256165), (910, 240401), (1126, 194285), (1274, 171715), (1586, 137935), (2135, 102466), (2815, 77714), (2989, 73190), (3185, 68686), (3941, 55510), (3965, 55174), (4270, 51233), (5551, 39410), (5630, 38857), (5978, 36595), (6370, 34343), (7319, 29890), (7882, 27755), (7930, 27587), (11102, 19705), (14638, 14945)]