213608600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 518538240

約数和(自身を除く): 304929640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 131, 155, 200, 248, 262, 263, 310, 524, 526, 620, 655, 775, 1048, 1052, 1240, 1310, 1315, 1550, 2104, 2620, 2630, 3100, 3275, 4061, 5240, 5260, 6200, 6550, 6575, 8122, 8153, 10520, 13100, 13150, 16244, 16306, 20305, 26200, 26300, 32488, 32612, 34453, 40610, 40765, 52600, 65224, 68906, 81220, 81530, 101525, 137812, 162440, 163060, 172265, 203050, 203825, 275624, 326120, 344530, 406100, 407650, 689060, 812200, 815300, 861325, 1068043, 1378120, 1630600, 1722650, 2136086, 3445300, 4272172, 5340215, 6890600, 8544344, 10680430, 21360860, 26701075, 42721720, 53402150, 106804300, 213608600]

約数ペア:

[(1, 213608600), (2, 106804300), (4, 53402150), (5, 42721720), (8, 26701075), (10, 21360860), (20, 10680430), (25, 8544344), (31, 6890600), (40, 5340215), (50, 4272172), (62, 3445300), (100, 2136086), (124, 1722650), (131, 1630600), (155, 1378120), (200, 1068043), (248, 861325), (262, 815300), (263, 812200), (310, 689060), (524, 407650), (526, 406100), (620, 344530), (655, 326120), (775, 275624), (1048, 203825), (1052, 203050), (1240, 172265), (1310, 163060), (1315, 162440), (1550, 137812), (2104, 101525), (2620, 81530), (2630, 81220), (3100, 68906), (3275, 65224), (4061, 52600), (5240, 40765), (5260, 40610), (6200, 34453), (6550, 32612), (6575, 32488), (8122, 26300), (8153, 26200), (10520, 20305), (13100, 16306), (13150, 16244)]