207928820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 491412096

約数和(自身を除く): 283483276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 107, 110, 121, 146, 214, 220, 242, 292, 365, 428, 484, 535, 605, 730, 803, 1070, 1177, 1210, 1331, 1460, 1606, 2140, 2354, 2420, 2662, 3212, 4015, 4708, 5324, 5885, 6655, 7811, 8030, 8833, 11770, 12947, 13310, 15622, 16060, 17666, 23540, 25894, 26620, 31244, 35332, 39055, 44165, 51788, 64735, 78110, 85921, 88330, 97163, 129470, 142417, 156220, 171842, 176660, 194326, 258940, 284834, 343684, 388652, 429605, 485815, 569668, 712085, 859210, 945131, 971630, 1424170, 1718420, 1890262, 1943260, 2848340, 3780524, 4725655, 9451310, 10396441, 18902620, 20792882, 41585764, 51982205, 103964410, 207928820]

約数ペア:

[(1, 207928820), (2, 103964410), (4, 51982205), (5, 41585764), (10, 20792882), (11, 18902620), (20, 10396441), (22, 9451310), (44, 4725655), (55, 3780524), (73, 2848340), (107, 1943260), (110, 1890262), (121, 1718420), (146, 1424170), (214, 971630), (220, 945131), (242, 859210), (292, 712085), (365, 569668), (428, 485815), (484, 429605), (535, 388652), (605, 343684), (730, 284834), (803, 258940), (1070, 194326), (1177, 176660), (1210, 171842), (1331, 156220), (1460, 142417), (1606, 129470), (2140, 97163), (2354, 88330), (2420, 85921), (2662, 78110), (3212, 64735), (4015, 51788), (4708, 44165), (5324, 39055), (5885, 35332), (6655, 31244), (7811, 26620), (8030, 25894), (8833, 23540), (11770, 17666), (12947, 16060), (13310, 15622)]