172178450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 334103616

約数和(自身を除く): 161925166

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 86, 106, 215, 265, 430, 530, 1075, 1325, 1511, 2150, 2279, 2650, 3022, 4558, 7555, 11395, 15110, 22790, 37775, 56975, 64973, 75550, 80083, 113950, 129946, 160166, 324865, 400415, 649730, 800830, 1624325, 2002075, 3248650, 3443569, 4004150, 6887138, 17217845, 34435690, 86089225, 172178450]

約数ペア:

[(1, 172178450), (2, 86089225), (5, 34435690), (10, 17217845), (25, 6887138), (43, 4004150), (50, 3443569), (53, 3248650), (86, 2002075), (106, 1624325), (215, 800830), (265, 649730), (430, 400415), (530, 324865), (1075, 160166), (1325, 129946), (1511, 113950), (2150, 80083), (2279, 75550), (2650, 64973), (3022, 56975), (4558, 37775), (7555, 22790), (11395, 15110)]