201028380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:804

約数の個数: 144

約数和(自身を含む): 662237856

約数和(自身を除く): 461209476

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, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 404, 420, 490, 505, 588, 606, 677, 707, 735, 980, 1010, 1212, 1354, 1414, 1470, 1515, 2020, 2031, 2121, 2708, 2828, 2940, 3030, 3385, 3535, 4062, 4242, 4739, 4949, 6060, 6770, 7070, 8124, 8484, 9478, 9898, 10155, 10605, 13540, 14140, 14217, 14847, 18956, 19796, 20310, 21210, 23695, 24745, 28434, 29694, 33173, 40620, 42420, 47390, 49490, 56868, 59388, 66346, 68377, 71085, 74235, 94780, 98980, 99519, 132692, 136754, 142170, 148470, 165865, 199038, 205131, 273508, 284340, 296940, 331730, 341885, 398076, 410262, 478639, 497595, 663460, 683770, 820524, 957278, 995190, 1025655, 1367540, 1435917, 1914556, 1990380, 2051310, 2393195, 2871834, 3350473, 4102620, 4786390, 5743668, 6700946, 7179585, 9572780, 10051419, 13401892, 14359170, 16752365, 20102838, 28718340, 33504730, 40205676, 50257095, 67009460, 100514190, 201028380]

約数ペア:

[(1, 201028380), (2, 100514190), (3, 67009460), (4, 50257095), (5, 40205676), (6, 33504730), (7, 28718340), (10, 20102838), (12, 16752365), (14, 14359170), (15, 13401892), (20, 10051419), (21, 9572780), (28, 7179585), (30, 6700946), (35, 5743668), (42, 4786390), (49, 4102620), (60, 3350473), (70, 2871834), (84, 2393195), (98, 2051310), (101, 1990380), (105, 1914556), (140, 1435917), (147, 1367540), (196, 1025655), (202, 995190), (210, 957278), (245, 820524), (294, 683770), (303, 663460), (404, 497595), (420, 478639), (490, 410262), (505, 398076), (588, 341885), (606, 331730), (677, 296940), (707, 284340), (735, 273508), (980, 205131), (1010, 199038), (1212, 165865), (1354, 148470), (1414, 142170), (1470, 136754), (1515, 132692), (2020, 99519), (2031, 98980), (2121, 94780), (2708, 74235), (2828, 71085), (2940, 68377), (3030, 66346), (3385, 59388), (3535, 56868), (4062, 49490), (4242, 47390), (4739, 42420), (4949, 40620), (6060, 33173), (6770, 29694), (7070, 28434), (8124, 24745), (8484, 23695), (9478, 21210), (9898, 20310), (10155, 19796), (10605, 18956), (13540, 14847), (14140, 14217)]