72028250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 156349440

約数和(自身を除く): 84321190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 125, 158, 175, 250, 350, 395, 521, 553, 790, 875, 1042, 1106, 1750, 1975, 2605, 2765, 3647, 3950, 5210, 5530, 7294, 9875, 13025, 13825, 18235, 19750, 26050, 27650, 36470, 41159, 65125, 69125, 82318, 91175, 130250, 138250, 182350, 205795, 288113, 411590, 455875, 576226, 911750, 1028975, 1440565, 2057950, 2881130, 5144875, 7202825, 10289750, 14405650, 36014125, 72028250]

約数ペア:

[(1, 72028250), (2, 36014125), (5, 14405650), (7, 10289750), (10, 7202825), (14, 5144875), (25, 2881130), (35, 2057950), (50, 1440565), (70, 1028975), (79, 911750), (125, 576226), (158, 455875), (175, 411590), (250, 288113), (350, 205795), (395, 182350), (521, 138250), (553, 130250), (790, 91175), (875, 82318), (1042, 69125), (1106, 65125), (1750, 41159), (1975, 36470), (2605, 27650), (2765, 26050), (3647, 19750), (3950, 18235), (5210, 13825), (5530, 13025), (7294, 9875)]