74971000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 193939200

約数和(自身を除く): 118968200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 73, 79, 100, 104, 125, 130, 146, 158, 200, 250, 260, 292, 316, 325, 365, 395, 500, 520, 584, 632, 650, 730, 790, 949, 1000, 1027, 1300, 1460, 1580, 1625, 1825, 1898, 1975, 2054, 2600, 2920, 3160, 3250, 3650, 3796, 3950, 4108, 4745, 5135, 5767, 6500, 7300, 7592, 7900, 8216, 9125, 9490, 9875, 10270, 11534, 13000, 14600, 15800, 18250, 18980, 19750, 20540, 23068, 23725, 25675, 28835, 36500, 37960, 39500, 41080, 46136, 47450, 51350, 57670, 73000, 74971, 79000, 94900, 102700, 115340, 118625, 128375, 144175, 149942, 189800, 205400, 230680, 237250, 256750, 288350, 299884, 374855, 474500, 513500, 576700, 599768, 720875, 749710, 949000, 1027000, 1153400, 1441750, 1499420, 1874275, 2883500, 2998840, 3748550, 5767000, 7497100, 9371375, 14994200, 18742750, 37485500, 74971000]

約数ペア:

[(1, 74971000), (2, 37485500), (4, 18742750), (5, 14994200), (8, 9371375), (10, 7497100), (13, 5767000), (20, 3748550), (25, 2998840), (26, 2883500), (40, 1874275), (50, 1499420), (52, 1441750), (65, 1153400), (73, 1027000), (79, 949000), (100, 749710), (104, 720875), (125, 599768), (130, 576700), (146, 513500), (158, 474500), (200, 374855), (250, 299884), (260, 288350), (292, 256750), (316, 237250), (325, 230680), (365, 205400), (395, 189800), (500, 149942), (520, 144175), (584, 128375), (632, 118625), (650, 115340), (730, 102700), (790, 94900), (949, 79000), (1000, 74971), (1027, 73000), (1300, 57670), (1460, 51350), (1580, 47450), (1625, 46136), (1825, 41080), (1898, 39500), (1975, 37960), (2054, 36500), (2600, 28835), (2920, 25675), (3160, 23725), (3250, 23068), (3650, 20540), (3796, 19750), (3950, 18980), (4108, 18250), (4745, 15800), (5135, 14600), (5767, 13000), (6500, 11534), (7300, 10270), (7592, 9875), (7900, 9490), (8216, 9125)]