208547170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 419198976

約数和(自身を除く): 210651806

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 191, 227, 370, 382, 454, 481, 955, 962, 1135, 1910, 2270, 2405, 2483, 2951, 4810, 4966, 5902, 7067, 8399, 12415, 14134, 14755, 16798, 24830, 29510, 35335, 41995, 43357, 70670, 83990, 86714, 91871, 109187, 183742, 216785, 218374, 433570, 459355, 545935, 563641, 918710, 1091870, 1127282, 1604209, 2818205, 3208418, 5636410, 8021045, 16042090, 20854717, 41709434, 104273585, 208547170]

約数ペア:

[(1, 208547170), (2, 104273585), (5, 41709434), (10, 20854717), (13, 16042090), (26, 8021045), (37, 5636410), (65, 3208418), (74, 2818205), (130, 1604209), (185, 1127282), (191, 1091870), (227, 918710), (370, 563641), (382, 545935), (454, 459355), (481, 433570), (955, 218374), (962, 216785), (1135, 183742), (1910, 109187), (2270, 91871), (2405, 86714), (2483, 83990), (2951, 70670), (4810, 43357), (4966, 41995), (5902, 35335), (7067, 29510), (8399, 24830), (12415, 16798), (14134, 14755)]