207420740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 478656864

約数和(自身を除く): 271236124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 73, 85, 122, 137, 146, 170, 244, 274, 292, 305, 340, 365, 548, 610, 685, 730, 1037, 1220, 1241, 1370, 1460, 2074, 2329, 2482, 2740, 4148, 4453, 4658, 4964, 5185, 6205, 8357, 8906, 9316, 10001, 10370, 11645, 12410, 16714, 17812, 20002, 20740, 22265, 23290, 24820, 33428, 40004, 41785, 44530, 46580, 50005, 75701, 83570, 89060, 100010, 142069, 151402, 167140, 170017, 200020, 284138, 302804, 340034, 378505, 568276, 610061, 680068, 710345, 757010, 850085, 1220122, 1420690, 1514020, 1700170, 2440244, 2841380, 3050305, 3400340, 6100610, 10371037, 12201220, 20742074, 41484148, 51855185, 103710370, 207420740]

約数ペア:

[(1, 207420740), (2, 103710370), (4, 51855185), (5, 41484148), (10, 20742074), (17, 12201220), (20, 10371037), (34, 6100610), (61, 3400340), (68, 3050305), (73, 2841380), (85, 2440244), (122, 1700170), (137, 1514020), (146, 1420690), (170, 1220122), (244, 850085), (274, 757010), (292, 710345), (305, 680068), (340, 610061), (365, 568276), (548, 378505), (610, 340034), (685, 302804), (730, 284138), (1037, 200020), (1220, 170017), (1241, 167140), (1370, 151402), (1460, 142069), (2074, 100010), (2329, 89060), (2482, 83570), (2740, 75701), (4148, 50005), (4453, 46580), (4658, 44530), (4964, 41785), (5185, 40004), (6205, 33428), (8357, 24820), (8906, 23290), (9316, 22265), (10001, 20740), (10370, 20002), (11645, 17812), (12410, 16714)]