651118000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:432

約数の個数: 160

約数和(自身を含む): 1722389760

約数和(自身を除く): 1071271760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 100, 104, 125, 130, 158, 200, 208, 250, 260, 316, 317, 325, 395, 400, 500, 520, 632, 634, 650, 790, 1000, 1027, 1040, 1264, 1268, 1300, 1580, 1585, 1625, 1975, 2000, 2054, 2536, 2600, 3160, 3170, 3250, 3950, 4108, 4121, 5072, 5135, 5200, 6320, 6340, 6500, 7900, 7925, 8216, 8242, 9875, 10270, 12680, 13000, 15800, 15850, 16432, 16484, 19750, 20540, 20605, 25043, 25360, 25675, 26000, 31600, 31700, 32968, 39500, 39625, 41080, 41210, 50086, 51350, 63400, 65936, 79000, 79250, 82160, 82420, 100172, 102700, 103025, 125215, 126800, 128375, 158000, 158500, 164840, 200344, 205400, 206050, 250430, 256750, 317000, 325559, 329680, 400688, 410800, 412100, 500860, 513500, 515125, 626075, 634000, 651118, 824200, 1001720, 1027000, 1030250, 1252150, 1302236, 1627795, 1648400, 2003440, 2054000, 2060500, 2504300, 2604472, 3130375, 3255590, 4121000, 5008600, 5208944, 6260750, 6511180, 8138975, 8242000, 10017200, 12521500, 13022360, 16277950, 25043000, 26044720, 32555900, 40694875, 50086000, 65111800, 81389750, 130223600, 162779500, 325559000, 651118000]

約数ペア:

[(1, 651118000), (2, 325559000), (4, 162779500), (5, 130223600), (8, 81389750), (10, 65111800), (13, 50086000), (16, 40694875), (20, 32555900), (25, 26044720), (26, 25043000), (40, 16277950), (50, 13022360), (52, 12521500), (65, 10017200), (79, 8242000), (80, 8138975), (100, 6511180), (104, 6260750), (125, 5208944), (130, 5008600), (158, 4121000), (200, 3255590), (208, 3130375), (250, 2604472), (260, 2504300), (316, 2060500), (317, 2054000), (325, 2003440), (395, 1648400), (400, 1627795), (500, 1302236), (520, 1252150), (632, 1030250), (634, 1027000), (650, 1001720), (790, 824200), (1000, 651118), (1027, 634000), (1040, 626075), (1264, 515125), (1268, 513500), (1300, 500860), (1580, 412100), (1585, 410800), (1625, 400688), (1975, 329680), (2000, 325559), (2054, 317000), (2536, 256750), (2600, 250430), (3160, 206050), (3170, 205400), (3250, 200344), (3950, 164840), (4108, 158500), (4121, 158000), (5072, 128375), (5135, 126800), (5200, 125215), (6320, 103025), (6340, 102700), (6500, 100172), (7900, 82420), (7925, 82160), (8216, 79250), (8242, 79000), (9875, 65936), (10270, 63400), (12680, 51350), (13000, 50086), (15800, 41210), (15850, 41080), (16432, 39625), (16484, 39500), (19750, 32968), (20540, 31700), (20605, 31600), (25043, 26000), (25360, 25675)]