19893339970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{1481}}^1$

素因数の和:1928

約数の個数: 96

約数和(自身を含む): 42331610880

約数和(自身を除く): 22438270910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 347, 395, 490, 553, 694, 790, 1106, 1481, 1735, 2429, 2765, 2962, 3470, 3871, 4858, 5530, 7405, 7742, 10367, 12145, 14810, 17003, 19355, 20734, 24290, 27413, 34006, 38710, 51835, 54826, 72569, 85015, 103670, 116999, 137065, 145138, 170030, 191891, 233998, 274130, 362845, 383782, 513907, 584995, 725690, 818993, 959455, 1027814, 1169990, 1343237, 1637986, 1918910, 2569535, 2686474, 3597349, 4094965, 5139070, 5732951, 6716185, 7194698, 8189930, 11465902, 13432370, 17986745, 25181443, 28664755, 35973490, 40598653, 50362886, 57329510, 81197306, 125907215, 202993265, 251814430, 284190571, 405986530, 568381142, 1420952855, 1989333997, 2841905710, 3978667994, 9946669985, 19893339970]

約数ペア:

[(1, 19893339970), (2, 9946669985), (5, 3978667994), (7, 2841905710), (10, 1989333997), (14, 1420952855), (35, 568381142), (49, 405986530), (70, 284190571), (79, 251814430), (98, 202993265), (158, 125907215), (245, 81197306), (347, 57329510), (395, 50362886), (490, 40598653), (553, 35973490), (694, 28664755), (790, 25181443), (1106, 17986745), (1481, 13432370), (1735, 11465902), (2429, 8189930), (2765, 7194698), (2962, 6716185), (3470, 5732951), (3871, 5139070), (4858, 4094965), (5530, 3597349), (7405, 2686474), (7742, 2569535), (10367, 1918910), (12145, 1637986), (14810, 1343237), (17003, 1169990), (19355, 1027814), (20734, 959455), (24290, 818993), (27413, 725690), (34006, 584995), (38710, 513907), (51835, 383782), (54826, 362845), (72569, 274130), (85015, 233998), (103670, 191891), (116999, 170030), (137065, 145138)]