1387100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 3572688

約数和(自身を除く): 2185588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 97, 100, 110, 130, 143, 194, 220, 260, 275, 286, 325, 388, 485, 550, 572, 650, 715, 970, 1067, 1100, 1261, 1300, 1430, 1940, 2134, 2425, 2522, 2860, 3575, 4268, 4850, 5044, 5335, 6305, 7150, 9700, 10670, 12610, 13871, 14300, 21340, 25220, 26675, 27742, 31525, 53350, 55484, 63050, 69355, 106700, 126100, 138710, 277420, 346775, 693550, 1387100]

約数ペア:

[(1, 1387100), (2, 693550), (4, 346775), (5, 277420), (10, 138710), (11, 126100), (13, 106700), (20, 69355), (22, 63050), (25, 55484), (26, 53350), (44, 31525), (50, 27742), (52, 26675), (55, 25220), (65, 21340), (97, 14300), (100, 13871), (110, 12610), (130, 10670), (143, 9700), (194, 7150), (220, 6305), (260, 5335), (275, 5044), (286, 4850), (325, 4268), (388, 3575), (485, 2860), (550, 2522), (572, 2425), (650, 2134), (715, 1940), (970, 1430), (1067, 1300), (1100, 1261)]