138859140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 459188352

約数和(自身を除く): 320329212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 647, 730, 735, 876, 980, 1022, 1095, 1294, 1460, 1470, 1533, 1941, 2044, 2190, 2555, 2588, 2940, 3066, 3235, 3577, 3882, 4380, 4529, 5110, 6132, 6470, 7154, 7665, 7764, 9058, 9705, 10220, 10731, 12940, 13587, 14308, 15330, 17885, 18116, 19410, 21462, 22645, 27174, 30660, 31703, 35770, 38820, 42924, 45290, 47231, 53655, 54348, 63406, 67935, 71540, 90580, 94462, 95109, 107310, 126812, 135870, 141693, 158515, 188924, 190218, 214620, 236155, 271740, 283386, 317030, 330617, 380436, 472310, 475545, 566772, 634060, 661234, 708465, 944620, 951090, 991851, 1322468, 1416930, 1653085, 1902180, 1983702, 2314319, 2833860, 3306170, 3967404, 4628638, 4959255, 6612340, 6942957, 9257276, 9918510, 11571595, 13885914, 19837020, 23143190, 27771828, 34714785, 46286380, 69429570, 138859140]

約数ペア:

[(1, 138859140), (2, 69429570), (3, 46286380), (4, 34714785), (5, 27771828), (6, 23143190), (7, 19837020), (10, 13885914), (12, 11571595), (14, 9918510), (15, 9257276), (20, 6942957), (21, 6612340), (28, 4959255), (30, 4628638), (35, 3967404), (42, 3306170), (49, 2833860), (60, 2314319), (70, 1983702), (73, 1902180), (84, 1653085), (98, 1416930), (105, 1322468), (140, 991851), (146, 951090), (147, 944620), (196, 708465), (210, 661234), (219, 634060), (245, 566772), (292, 475545), (294, 472310), (365, 380436), (420, 330617), (438, 317030), (490, 283386), (511, 271740), (588, 236155), (647, 214620), (730, 190218), (735, 188924), (876, 158515), (980, 141693), (1022, 135870), (1095, 126812), (1294, 107310), (1460, 95109), (1470, 94462), (1533, 90580), (1941, 71540), (2044, 67935), (2190, 63406), (2555, 54348), (2588, 53655), (2940, 47231), (3066, 45290), (3235, 42924), (3577, 38820), (3882, 35770), (4380, 31703), (4529, 30660), (5110, 27174), (6132, 22645), (6470, 21462), (7154, 19410), (7665, 18116), (7764, 17885), (9058, 15330), (9705, 14308), (10220, 13587), (10731, 12940)]