211780495910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{471703}}^1$

素因数の和:471885

約数の個数: 64

約数和(自身を含む): 427929868800

約数和(自身を除く): 216149372890

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 139, 170, 190, 278, 323, 646, 695, 1390, 1615, 2363, 2641, 3230, 4726, 5282, 11815, 13205, 23630, 26410, 44897, 89794, 224485, 448970, 471703, 943406, 2358515, 4717030, 8018951, 8962357, 16037902, 17924714, 40094755, 44811785, 65566717, 80189510, 89623570, 131133434, 152360069, 304720138, 327833585, 655667170, 761800345, 1114634189, 1245767623, 1523600690, 2229268378, 2491535246, 5573170945, 6228838115, 11146341890, 12457676230, 21178049591, 42356099182, 105890247955, 211780495910]

約数ペア:

[(1, 211780495910), (2, 105890247955), (5, 42356099182), (10, 21178049591), (17, 12457676230), (19, 11146341890), (34, 6228838115), (38, 5573170945), (85, 2491535246), (95, 2229268378), (139, 1523600690), (170, 1245767623), (190, 1114634189), (278, 761800345), (323, 655667170), (646, 327833585), (695, 304720138), (1390, 152360069), (1615, 131133434), (2363, 89623570), (2641, 80189510), (3230, 65566717), (4726, 44811785), (5282, 40094755), (11815, 17924714), (13205, 16037902), (23630, 8962357), (26410, 8018951), (44897, 4717030), (89794, 2358515), (224485, 943406), (448970, 471703)]