196995760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 495655776

約数和(自身を除く): 298660016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 307, 520, 614, 617, 1040, 1228, 1234, 1535, 2456, 2468, 3070, 3085, 3991, 4912, 4936, 6140, 6170, 7982, 8021, 9872, 12280, 12340, 15964, 16042, 19955, 24560, 24680, 31928, 32084, 39910, 40105, 49360, 63856, 64168, 79820, 80210, 128336, 159640, 160420, 189419, 319280, 320840, 378838, 641680, 757676, 947095, 1515352, 1894190, 2462447, 3030704, 3788380, 4924894, 7576760, 9849788, 12312235, 15153520, 19699576, 24624470, 39399152, 49248940, 98497880, 196995760]

約数ペア:

[(1, 196995760), (2, 98497880), (4, 49248940), (5, 39399152), (8, 24624470), (10, 19699576), (13, 15153520), (16, 12312235), (20, 9849788), (26, 7576760), (40, 4924894), (52, 3788380), (65, 3030704), (80, 2462447), (104, 1894190), (130, 1515352), (208, 947095), (260, 757676), (307, 641680), (520, 378838), (614, 320840), (617, 319280), (1040, 189419), (1228, 160420), (1234, 159640), (1535, 128336), (2456, 80210), (2468, 79820), (3070, 64168), (3085, 63856), (3991, 49360), (4912, 40105), (4936, 39910), (6140, 32084), (6170, 31928), (7982, 24680), (8021, 24560), (9872, 19955), (12280, 16042), (12340, 15964)]