254371740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2848

約数の個数: 144

約数和(自身を含む): 855558144

約数和(自身を除く): 601186404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2791, 2940, 3038, 3255, 4340, 4557, 5582, 6076, 6510, 7595, 8373, 9114, 11164, 13020, 13955, 15190, 16746, 18228, 19537, 22785, 27910, 30380, 33492, 39074, 41865, 45570, 55820, 58611, 78148, 83730, 86521, 91140, 97685, 117222, 136759, 167460, 173042, 195370, 234444, 259563, 273518, 293055, 346084, 390740, 410277, 432605, 519126, 547036, 586110, 605647, 683795, 820554, 865210, 1038252, 1172220, 1211294, 1297815, 1367590, 1641108, 1730420, 1816941, 2051385, 2422588, 2595630, 2735180, 3028235, 3633882, 4102770, 4239529, 5191260, 6056470, 7267764, 8205540, 8479058, 9084705, 12112940, 12718587, 16958116, 18169410, 21197645, 25437174, 36338820, 42395290, 50874348, 63592935, 84790580, 127185870, 254371740]

約数ペア:

[(1, 254371740), (2, 127185870), (3, 84790580), (4, 63592935), (5, 50874348), (6, 42395290), (7, 36338820), (10, 25437174), (12, 21197645), (14, 18169410), (15, 16958116), (20, 12718587), (21, 12112940), (28, 9084705), (30, 8479058), (31, 8205540), (35, 7267764), (42, 6056470), (49, 5191260), (60, 4239529), (62, 4102770), (70, 3633882), (84, 3028235), (93, 2735180), (98, 2595630), (105, 2422588), (124, 2051385), (140, 1816941), (147, 1730420), (155, 1641108), (186, 1367590), (196, 1297815), (210, 1211294), (217, 1172220), (245, 1038252), (294, 865210), (310, 820554), (372, 683795), (420, 605647), (434, 586110), (465, 547036), (490, 519126), (588, 432605), (620, 410277), (651, 390740), (735, 346084), (868, 293055), (930, 273518), (980, 259563), (1085, 234444), (1302, 195370), (1470, 173042), (1519, 167460), (1860, 136759), (2170, 117222), (2604, 97685), (2791, 91140), (2940, 86521), (3038, 83730), (3255, 78148), (4340, 58611), (4557, 55820), (5582, 45570), (6076, 41865), (6510, 39074), (7595, 33492), (8373, 30380), (9114, 27910), (11164, 22785), (13020, 19537), (13955, 18228), (15190, 16746)]