457623100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{647}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 1086680448

約数和(自身を除く): 629057348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 643, 647, 1100, 1286, 1294, 2572, 2588, 3215, 3235, 6430, 6470, 7073, 7117, 12860, 12940, 14146, 14234, 16075, 16175, 28292, 28468, 32150, 32350, 35365, 35585, 64300, 64700, 70730, 71170, 141460, 142340, 176825, 177925, 353650, 355850, 416021, 707300, 711700, 832042, 1664084, 2080105, 4160210, 4576231, 8320420, 9152462, 10400525, 18304924, 20801050, 22881155, 41602100, 45762310, 91524620, 114405775, 228811550, 457623100]

約数ペア:

[(1, 457623100), (2, 228811550), (4, 114405775), (5, 91524620), (10, 45762310), (11, 41602100), (20, 22881155), (22, 20801050), (25, 18304924), (44, 10400525), (50, 9152462), (55, 8320420), (100, 4576231), (110, 4160210), (220, 2080105), (275, 1664084), (550, 832042), (643, 711700), (647, 707300), (1100, 416021), (1286, 355850), (1294, 353650), (2572, 177925), (2588, 176825), (3215, 142340), (3235, 141460), (6430, 71170), (6470, 70730), (7073, 64700), (7117, 64300), (12860, 35585), (12940, 35365), (14146, 32350), (14234, 32150), (16075, 28468), (16175, 28292)]