1900394470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2801}}^1$

素因数の和:3145

約数の個数: 64

約数和(自身を含む): 3914640576

約数和(自身を除く): 2014246106

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 307, 442, 614, 1105, 1535, 2210, 2801, 3070, 3991, 5219, 5602, 7982, 10438, 14005, 19955, 26095, 28010, 36413, 39910, 47617, 52190, 67847, 72826, 95234, 135694, 182065, 238085, 339235, 364130, 476170, 619021, 678470, 859907, 1238042, 1719814, 3095105, 4299535, 6190210, 8599070, 11178791, 14618419, 22357582, 29236838, 55893955, 73092095, 111787910, 146184190, 190039447, 380078894, 950197235, 1900394470]

約数ペア:

[(1, 1900394470), (2, 950197235), (5, 380078894), (10, 190039447), (13, 146184190), (17, 111787910), (26, 73092095), (34, 55893955), (65, 29236838), (85, 22357582), (130, 14618419), (170, 11178791), (221, 8599070), (307, 6190210), (442, 4299535), (614, 3095105), (1105, 1719814), (1535, 1238042), (2210, 859907), (2801, 678470), (3070, 619021), (3991, 476170), (5219, 364130), (5602, 339235), (7982, 238085), (10438, 182065), (14005, 135694), (19955, 95234), (26095, 72826), (28010, 67847), (36413, 52190), (39910, 47617)]