189942620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^2$

素因数の和:244

約数の個数: 108

約数和(自身を含む): 493307640

約数和(自身を除く): 303365020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 101, 133, 140, 190, 196, 202, 245, 266, 380, 404, 490, 505, 532, 665, 707, 931, 980, 1010, 1330, 1414, 1862, 1919, 2020, 2660, 2828, 3535, 3724, 3838, 4655, 4949, 7070, 7676, 9310, 9595, 9898, 10201, 13433, 14140, 18620, 19190, 19796, 20402, 24745, 26866, 38380, 40804, 49490, 51005, 53732, 67165, 71407, 94031, 98980, 102010, 134330, 142814, 188062, 193819, 204020, 268660, 285628, 357035, 376124, 387638, 470155, 499849, 714070, 775276, 940310, 969095, 999698, 1356733, 1428140, 1880620, 1938190, 1999396, 2499245, 2713466, 3876380, 4998490, 5426932, 6783665, 9497131, 9996980, 13567330, 18994262, 27134660, 37988524, 47485655, 94971310, 189942620]

約数ペア:

[(1, 189942620), (2, 94971310), (4, 47485655), (5, 37988524), (7, 27134660), (10, 18994262), (14, 13567330), (19, 9996980), (20, 9497131), (28, 6783665), (35, 5426932), (38, 4998490), (49, 3876380), (70, 2713466), (76, 2499245), (95, 1999396), (98, 1938190), (101, 1880620), (133, 1428140), (140, 1356733), (190, 999698), (196, 969095), (202, 940310), (245, 775276), (266, 714070), (380, 499849), (404, 470155), (490, 387638), (505, 376124), (532, 357035), (665, 285628), (707, 268660), (931, 204020), (980, 193819), (1010, 188062), (1330, 142814), (1414, 134330), (1862, 102010), (1919, 98980), (2020, 94031), (2660, 71407), (2828, 67165), (3535, 53732), (3724, 51005), (3838, 49490), (4655, 40804), (4949, 38380), (7070, 26866), (7676, 24745), (9310, 20402), (9595, 19796), (9898, 19190), (10201, 18620), (13433, 14140)]