201955000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 514522800

約数和(自身を除く): 312567800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 169, 200, 239, 250, 260, 325, 338, 478, 500, 520, 625, 650, 676, 845, 956, 1000, 1195, 1250, 1300, 1352, 1625, 1690, 1912, 2390, 2500, 2600, 3107, 3250, 3380, 4225, 4780, 5000, 5975, 6214, 6500, 6760, 8125, 8450, 9560, 11950, 12428, 13000, 15535, 16250, 16900, 21125, 23900, 24856, 29875, 31070, 32500, 33800, 40391, 42250, 47800, 59750, 62140, 65000, 77675, 80782, 84500, 105625, 119500, 124280, 149375, 155350, 161564, 169000, 201955, 211250, 239000, 298750, 310700, 323128, 388375, 403910, 422500, 597500, 621400, 776750, 807820, 845000, 1009775, 1195000, 1553500, 1615640, 1941875, 2019550, 3107000, 3883750, 4039100, 5048875, 7767500, 8078200, 10097750, 15535000, 20195500, 25244375, 40391000, 50488750, 100977500, 201955000]

約数ペア:

[(1, 201955000), (2, 100977500), (4, 50488750), (5, 40391000), (8, 25244375), (10, 20195500), (13, 15535000), (20, 10097750), (25, 8078200), (26, 7767500), (40, 5048875), (50, 4039100), (52, 3883750), (65, 3107000), (100, 2019550), (104, 1941875), (125, 1615640), (130, 1553500), (169, 1195000), (200, 1009775), (239, 845000), (250, 807820), (260, 776750), (325, 621400), (338, 597500), (478, 422500), (500, 403910), (520, 388375), (625, 323128), (650, 310700), (676, 298750), (845, 239000), (956, 211250), (1000, 201955), (1195, 169000), (1250, 161564), (1300, 155350), (1352, 149375), (1625, 124280), (1690, 119500), (1912, 105625), (2390, 84500), (2500, 80782), (2600, 77675), (3107, 65000), (3250, 62140), (3380, 59750), (4225, 47800), (4780, 42250), (5000, 40391), (5975, 33800), (6214, 32500), (6500, 31070), (6760, 29875), (8125, 24856), (8450, 23900), (9560, 21125), (11950, 16900), (12428, 16250), (13000, 15535)]