214913140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 509160960

約数和(自身を除く): 294247820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 47, 52, 65, 86, 94, 130, 172, 188, 215, 235, 260, 409, 430, 470, 559, 611, 818, 860, 940, 1118, 1222, 1636, 2021, 2045, 2236, 2444, 2795, 3055, 4042, 4090, 5317, 5590, 6110, 8084, 8180, 10105, 10634, 11180, 12220, 17587, 19223, 20210, 21268, 26273, 26585, 35174, 38446, 40420, 52546, 53170, 70348, 76892, 87935, 96115, 105092, 106340, 131365, 175870, 192230, 228631, 249899, 262730, 351740, 384460, 457262, 499798, 525460, 826589, 914524, 999596, 1143155, 1249495, 1653178, 2286310, 2498990, 3306356, 4132945, 4572620, 4997980, 8265890, 10745657, 16531780, 21491314, 42982628, 53728285, 107456570, 214913140]

約数ペア:

[(1, 214913140), (2, 107456570), (4, 53728285), (5, 42982628), (10, 21491314), (13, 16531780), (20, 10745657), (26, 8265890), (43, 4997980), (47, 4572620), (52, 4132945), (65, 3306356), (86, 2498990), (94, 2286310), (130, 1653178), (172, 1249495), (188, 1143155), (215, 999596), (235, 914524), (260, 826589), (409, 525460), (430, 499798), (470, 457262), (559, 384460), (611, 351740), (818, 262730), (860, 249899), (940, 228631), (1118, 192230), (1222, 175870), (1636, 131365), (2021, 106340), (2045, 105092), (2236, 96115), (2444, 87935), (2795, 76892), (3055, 70348), (4042, 53170), (4090, 52546), (5317, 40420), (5590, 38446), (6110, 35174), (8084, 26585), (8180, 26273), (10105, 21268), (10634, 20210), (11180, 19223), (12220, 17587)]