401571660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1160

約数の個数: 144

約数和(自身を含む): 1318845024

約数和(自身を除く): 917273364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 245, 274, 294, 411, 420, 490, 548, 588, 685, 735, 822, 959, 980, 997, 1370, 1470, 1644, 1918, 1994, 2055, 2740, 2877, 2940, 2991, 3836, 3988, 4110, 4795, 4985, 5754, 5982, 6713, 6979, 8220, 9590, 9970, 11508, 11964, 13426, 13958, 14385, 14955, 19180, 19940, 20139, 20937, 26852, 27916, 28770, 29910, 33565, 34895, 40278, 41874, 48853, 57540, 59820, 67130, 69790, 80556, 83748, 97706, 100695, 104685, 134260, 136589, 139580, 146559, 195412, 201390, 209370, 244265, 273178, 293118, 402780, 409767, 418740, 488530, 546356, 586236, 682945, 732795, 819534, 956123, 977060, 1365890, 1465590, 1639068, 1912246, 2048835, 2731780, 2868369, 2931180, 3824492, 4097670, 4780615, 5736738, 6692861, 8195340, 9561230, 11473476, 13385722, 14341845, 19122460, 20078583, 26771444, 28683690, 33464305, 40157166, 57367380, 66928610, 80314332, 100392915, 133857220, 200785830, 401571660]

約数ペア:

[(1, 401571660), (2, 200785830), (3, 133857220), (4, 100392915), (5, 80314332), (6, 66928610), (7, 57367380), (10, 40157166), (12, 33464305), (14, 28683690), (15, 26771444), (20, 20078583), (21, 19122460), (28, 14341845), (30, 13385722), (35, 11473476), (42, 9561230), (49, 8195340), (60, 6692861), (70, 5736738), (84, 4780615), (98, 4097670), (105, 3824492), (137, 2931180), (140, 2868369), (147, 2731780), (196, 2048835), (210, 1912246), (245, 1639068), (274, 1465590), (294, 1365890), (411, 977060), (420, 956123), (490, 819534), (548, 732795), (588, 682945), (685, 586236), (735, 546356), (822, 488530), (959, 418740), (980, 409767), (997, 402780), (1370, 293118), (1470, 273178), (1644, 244265), (1918, 209370), (1994, 201390), (2055, 195412), (2740, 146559), (2877, 139580), (2940, 136589), (2991, 134260), (3836, 104685), (3988, 100695), (4110, 97706), (4795, 83748), (4985, 80556), (5754, 69790), (5982, 67130), (6713, 59820), (6979, 57540), (8220, 48853), (9590, 41874), (9970, 40278), (11508, 34895), (11964, 33565), (13426, 29910), (13958, 28770), (14385, 27916), (14955, 26852), (19180, 20937), (19940, 20139)]