210320500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 527567040

約数和(自身を除く): 317246540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 131, 169, 190, 247, 250, 260, 262, 325, 338, 380, 475, 494, 500, 524, 650, 655, 676, 845, 950, 988, 1235, 1300, 1310, 1625, 1690, 1703, 1900, 2375, 2470, 2489, 2620, 3211, 3250, 3275, 3380, 3406, 4225, 4750, 4940, 4978, 6175, 6422, 6500, 6550, 6812, 8450, 8515, 9500, 9956, 12350, 12445, 12844, 13100, 16055, 16375, 16900, 17030, 21125, 22139, 24700, 24890, 30875, 32110, 32357, 32750, 34060, 42250, 42575, 44278, 49780, 61750, 62225, 64220, 64714, 65500, 80275, 84500, 85150, 88556, 110695, 123500, 124450, 129428, 160550, 161785, 170300, 212875, 221390, 248900, 311125, 321100, 323570, 401375, 420641, 425750, 442780, 553475, 622250, 647140, 802750, 808925, 841282, 851500, 1106950, 1244500, 1605500, 1617850, 1682564, 2103205, 2213900, 2767375, 3235700, 4044625, 4206410, 5534750, 8089250, 8412820, 10516025, 11069500, 16178500, 21032050, 42064100, 52580125, 105160250, 210320500]

約数ペア:

[(1, 210320500), (2, 105160250), (4, 52580125), (5, 42064100), (10, 21032050), (13, 16178500), (19, 11069500), (20, 10516025), (25, 8412820), (26, 8089250), (38, 5534750), (50, 4206410), (52, 4044625), (65, 3235700), (76, 2767375), (95, 2213900), (100, 2103205), (125, 1682564), (130, 1617850), (131, 1605500), (169, 1244500), (190, 1106950), (247, 851500), (250, 841282), (260, 808925), (262, 802750), (325, 647140), (338, 622250), (380, 553475), (475, 442780), (494, 425750), (500, 420641), (524, 401375), (650, 323570), (655, 321100), (676, 311125), (845, 248900), (950, 221390), (988, 212875), (1235, 170300), (1300, 161785), (1310, 160550), (1625, 129428), (1690, 124450), (1703, 123500), (1900, 110695), (2375, 88556), (2470, 85150), (2489, 84500), (2620, 80275), (3211, 65500), (3250, 64714), (3275, 64220), (3380, 62225), (3406, 61750), (4225, 49780), (4750, 44278), (4940, 42575), (4978, 42250), (6175, 34060), (6422, 32750), (6500, 32357), (6550, 32110), (6812, 30875), (8450, 24890), (8515, 24700), (9500, 22139), (9956, 21125), (12350, 17030), (12445, 16900), (12844, 16375), (13100, 16055)]