201931210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 207397430

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 403, 445, 563, 806, 890, 1126, 1157, 2015, 2314, 2759, 2815, 4030, 5518, 5630, 5785, 7319, 11570, 13795, 14638, 17453, 27590, 34906, 35867, 36595, 50107, 71734, 73190, 87265, 100214, 174530, 179335, 226889, 250535, 358670, 453778, 501070, 651391, 1134445, 1302782, 1553317, 2268890, 3106634, 3256955, 6513910, 7766585, 15533170, 20193121, 40386242, 100965605, 201931210]

約数ペア:

[(1, 201931210), (2, 100965605), (5, 40386242), (10, 20193121), (13, 15533170), (26, 7766585), (31, 6513910), (62, 3256955), (65, 3106634), (89, 2268890), (130, 1553317), (155, 1302782), (178, 1134445), (310, 651391), (403, 501070), (445, 453778), (563, 358670), (806, 250535), (890, 226889), (1126, 179335), (1157, 174530), (2015, 100214), (2314, 87265), (2759, 73190), (2815, 71734), (4030, 50107), (5518, 36595), (5630, 35867), (5785, 34906), (7319, 27590), (11570, 17453), (13795, 14638)]