4129125220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{51991}}^1$

素因数の和:52049

約数の個数: 72

約数和(自身を含む): 9983711808

約数和(自身を除く): 5854586588

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 7220, 7942, 15884, 19855, 39710, 51991, 79420, 103982, 207964, 259955, 519910, 571901, 987829, 1039820, 1143802, 1975658, 2287604, 2859505, 3951316, 4939145, 5719010, 9878290, 10866119, 11438020, 18768751, 19756580, 21732238, 37537502, 43464476, 54330595, 75075004, 93843755, 108661190, 187687510, 206456261, 217322380, 375375020, 412912522, 825825044, 1032281305, 2064562610, 4129125220]

約数ペア:

[(1, 4129125220), (2, 2064562610), (4, 1032281305), (5, 825825044), (10, 412912522), (11, 375375020), (19, 217322380), (20, 206456261), (22, 187687510), (38, 108661190), (44, 93843755), (55, 75075004), (76, 54330595), (95, 43464476), (110, 37537502), (190, 21732238), (209, 19756580), (220, 18768751), (361, 11438020), (380, 10866119), (418, 9878290), (722, 5719010), (836, 4939145), (1045, 3951316), (1444, 2859505), (1805, 2287604), (2090, 1975658), (3610, 1143802), (3971, 1039820), (4180, 987829), (7220, 571901), (7942, 519910), (15884, 259955), (19855, 207964), (39710, 103982), (51991, 79420)]