221298770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 523763712

約数和(自身を除く): 302464942

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 73, 77, 110, 127, 146, 154, 155, 217, 254, 310, 341, 365, 385, 434, 511, 635, 682, 730, 770, 803, 889, 1022, 1085, 1270, 1397, 1606, 1705, 1778, 2170, 2263, 2387, 2555, 2794, 3410, 3937, 4015, 4445, 4526, 4774, 5110, 5621, 6985, 7874, 8030, 8890, 9271, 9779, 11242, 11315, 11935, 13970, 15841, 18542, 19558, 19685, 22630, 23870, 24893, 27559, 28105, 31682, 39370, 43307, 46355, 48895, 49786, 55118, 56210, 64897, 79205, 86614, 92710, 97790, 101981, 124465, 129794, 137795, 158410, 174251, 203962, 216535, 248930, 275590, 287401, 303149, 324485, 348502, 433070, 509905, 574802, 606298, 648970, 713867, 871255, 1019810, 1427734, 1437005, 1515745, 1742510, 2011807, 2874010, 3031490, 3161411, 3569335, 4023614, 6322822, 7138670, 10059035, 15807055, 20118070, 22129877, 31614110, 44259754, 110649385, 221298770]

約数ペア:

[(1, 221298770), (2, 110649385), (5, 44259754), (7, 31614110), (10, 22129877), (11, 20118070), (14, 15807055), (22, 10059035), (31, 7138670), (35, 6322822), (55, 4023614), (62, 3569335), (70, 3161411), (73, 3031490), (77, 2874010), (110, 2011807), (127, 1742510), (146, 1515745), (154, 1437005), (155, 1427734), (217, 1019810), (254, 871255), (310, 713867), (341, 648970), (365, 606298), (385, 574802), (434, 509905), (511, 433070), (635, 348502), (682, 324485), (730, 303149), (770, 287401), (803, 275590), (889, 248930), (1022, 216535), (1085, 203962), (1270, 174251), (1397, 158410), (1606, 137795), (1705, 129794), (1778, 124465), (2170, 101981), (2263, 97790), (2387, 92710), (2555, 86614), (2794, 79205), (3410, 64897), (3937, 56210), (4015, 55118), (4445, 49786), (4526, 48895), (4774, 46355), (5110, 43307), (5621, 39370), (6985, 31682), (7874, 28105), (8030, 27559), (8890, 24893), (9271, 23870), (9779, 22630), (11242, 19685), (11315, 19558), (11935, 18542), (13970, 15841)]