397996940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 947939328

約数和(自身を除く): 549942388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 61, 94, 110, 122, 188, 220, 235, 244, 305, 470, 517, 610, 631, 671, 940, 1034, 1220, 1262, 1342, 2068, 2524, 2585, 2684, 2867, 3155, 3355, 5170, 5734, 6310, 6710, 6941, 10340, 11468, 12620, 13420, 13882, 14335, 27764, 28670, 29657, 31537, 34705, 38491, 57340, 59314, 63074, 69410, 76982, 118628, 126148, 138820, 148285, 153964, 157685, 192455, 296570, 315370, 326227, 384910, 423401, 593140, 630740, 652454, 769820, 846802, 1304908, 1631135, 1693604, 1809077, 2117005, 3262270, 3618154, 4234010, 6524540, 7236308, 8468020, 9045385, 18090770, 19899847, 36181540, 39799694, 79599388, 99499235, 198998470, 397996940]

約数ペア:

[(1, 397996940), (2, 198998470), (4, 99499235), (5, 79599388), (10, 39799694), (11, 36181540), (20, 19899847), (22, 18090770), (44, 9045385), (47, 8468020), (55, 7236308), (61, 6524540), (94, 4234010), (110, 3618154), (122, 3262270), (188, 2117005), (220, 1809077), (235, 1693604), (244, 1631135), (305, 1304908), (470, 846802), (517, 769820), (610, 652454), (631, 630740), (671, 593140), (940, 423401), (1034, 384910), (1220, 326227), (1262, 315370), (1342, 296570), (2068, 192455), (2524, 157685), (2585, 153964), (2684, 148285), (2867, 138820), (3155, 126148), (3355, 118628), (5170, 76982), (5734, 69410), (6310, 63074), (6710, 59314), (6941, 57340), (10340, 38491), (11468, 34705), (12620, 31537), (13420, 29657), (13882, 28670), (14335, 27764)]