201699640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 497664000

約数和(自身を除く): 295964360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 71, 79, 116, 124, 142, 145, 155, 158, 232, 248, 284, 290, 310, 316, 355, 395, 568, 580, 620, 632, 710, 790, 899, 1160, 1240, 1420, 1580, 1798, 2059, 2201, 2291, 2449, 2840, 3160, 3596, 4118, 4402, 4495, 4582, 4898, 5609, 7192, 8236, 8804, 8990, 9164, 9796, 10295, 11005, 11218, 11455, 12245, 16472, 17608, 17980, 18328, 19592, 20590, 22010, 22436, 22910, 24490, 28045, 35960, 41180, 44020, 44872, 45820, 48980, 56090, 63829, 71021, 82360, 88040, 91640, 97960, 112180, 127658, 142042, 162661, 173879, 224360, 255316, 284084, 319145, 325322, 347758, 355105, 510632, 568168, 638290, 650644, 695516, 710210, 813305, 869395, 1276580, 1301288, 1391032, 1420420, 1626610, 1738790, 2553160, 2840840, 3253220, 3477580, 5042491, 6506440, 6955160, 10084982, 20169964, 25212455, 40339928, 50424910, 100849820, 201699640]

約数ペア:

[(1, 201699640), (2, 100849820), (4, 50424910), (5, 40339928), (8, 25212455), (10, 20169964), (20, 10084982), (29, 6955160), (31, 6506440), (40, 5042491), (58, 3477580), (62, 3253220), (71, 2840840), (79, 2553160), (116, 1738790), (124, 1626610), (142, 1420420), (145, 1391032), (155, 1301288), (158, 1276580), (232, 869395), (248, 813305), (284, 710210), (290, 695516), (310, 650644), (316, 638290), (355, 568168), (395, 510632), (568, 355105), (580, 347758), (620, 325322), (632, 319145), (710, 284084), (790, 255316), (899, 224360), (1160, 173879), (1240, 162661), (1420, 142042), (1580, 127658), (1798, 112180), (2059, 97960), (2201, 91640), (2291, 88040), (2449, 82360), (2840, 71021), (3160, 63829), (3596, 56090), (4118, 48980), (4402, 45820), (4495, 44872), (4582, 44020), (4898, 41180), (5609, 35960), (7192, 28045), (8236, 24490), (8804, 22910), (8990, 22436), (9164, 22010), (9796, 20590), (10295, 19592), (11005, 18328), (11218, 17980), (11455, 17608), (12245, 16472)]