218186680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 510105600

約数和(自身を除く): 291918920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 620, 716, 895, 983, 1240, 1432, 1790, 1966, 3580, 3932, 4915, 5549, 7160, 7864, 9830, 11098, 19660, 22196, 27745, 30473, 39320, 44392, 55490, 60946, 110980, 121892, 152365, 175957, 221960, 243784, 304730, 351914, 609460, 703828, 879785, 1218920, 1407656, 1759570, 3519140, 5454667, 7038280, 10909334, 21818668, 27273335, 43637336, 54546670, 109093340, 218186680]

約数ペア:

[(1, 218186680), (2, 109093340), (4, 54546670), (5, 43637336), (8, 27273335), (10, 21818668), (20, 10909334), (31, 7038280), (40, 5454667), (62, 3519140), (124, 1759570), (155, 1407656), (179, 1218920), (248, 879785), (310, 703828), (358, 609460), (620, 351914), (716, 304730), (895, 243784), (983, 221960), (1240, 175957), (1432, 152365), (1790, 121892), (1966, 110980), (3580, 60946), (3932, 55490), (4915, 44392), (5549, 39320), (7160, 30473), (7864, 27745), (9830, 22196), (11098, 19660)]