221745010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 211637390

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 131, 151, 190, 262, 295, 302, 590, 655, 755, 1121, 1310, 1510, 2242, 2489, 2869, 4978, 5605, 5738, 7729, 8909, 11210, 12445, 14345, 15458, 17818, 19781, 24890, 28690, 38645, 39562, 44545, 77290, 89090, 98905, 146851, 169271, 197810, 293702, 338542, 375839, 734255, 751678, 846355, 1167079, 1468510, 1692710, 1879195, 2334158, 3758390, 5835395, 11670790, 22174501, 44349002, 110872505, 221745010]

約数ペア:

[(1, 221745010), (2, 110872505), (5, 44349002), (10, 22174501), (19, 11670790), (38, 5835395), (59, 3758390), (95, 2334158), (118, 1879195), (131, 1692710), (151, 1468510), (190, 1167079), (262, 846355), (295, 751678), (302, 734255), (590, 375839), (655, 338542), (755, 293702), (1121, 197810), (1310, 169271), (1510, 146851), (2242, 98905), (2489, 89090), (2869, 77290), (4978, 44545), (5605, 39562), (5738, 38645), (7729, 28690), (8909, 24890), (11210, 19781), (12445, 17818), (14345, 15458)]