98448880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 242841600

約数和(自身を除く): 144392720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 271, 304, 380, 478, 542, 760, 956, 1084, 1195, 1355, 1520, 1912, 2168, 2390, 2710, 3824, 4336, 4541, 4780, 5149, 5420, 9082, 9560, 10298, 10840, 18164, 19120, 20596, 21680, 22705, 25745, 36328, 41192, 45410, 51490, 64769, 72656, 82384, 90820, 102980, 129538, 181640, 205960, 259076, 323845, 363280, 411920, 518152, 647690, 1036304, 1230611, 1295380, 2461222, 2590760, 4922444, 5181520, 6153055, 9844888, 12306110, 19689776, 24612220, 49224440, 98448880]

約数ペア:

[(1, 98448880), (2, 49224440), (4, 24612220), (5, 19689776), (8, 12306110), (10, 9844888), (16, 6153055), (19, 5181520), (20, 4922444), (38, 2590760), (40, 2461222), (76, 1295380), (80, 1230611), (95, 1036304), (152, 647690), (190, 518152), (239, 411920), (271, 363280), (304, 323845), (380, 259076), (478, 205960), (542, 181640), (760, 129538), (956, 102980), (1084, 90820), (1195, 82384), (1355, 72656), (1520, 64769), (1912, 51490), (2168, 45410), (2390, 41192), (2710, 36328), (3824, 25745), (4336, 22705), (4541, 21680), (4780, 20596), (5149, 19120), (5420, 18164), (9082, 10840), (9560, 10298)]