202397990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 387991296

約数和(自身を除く): 185593306

約数列:

[1, 2, 5, 10, 43, 53, 83, 86, 106, 107, 166, 214, 215, 265, 415, 430, 530, 535, 830, 1070, 2279, 3569, 4399, 4558, 4601, 5671, 7138, 8798, 8881, 9202, 11342, 11395, 17762, 17845, 21995, 22790, 23005, 28355, 35690, 43990, 44405, 46010, 56710, 88810, 189157, 243853, 378314, 381883, 470693, 487706, 763766, 941386, 945785, 1219265, 1891570, 1909415, 2353465, 2438530, 3818830, 4706930, 20239799, 40479598, 101198995, 202397990]

約数ペア:

[(1, 202397990), (2, 101198995), (5, 40479598), (10, 20239799), (43, 4706930), (53, 3818830), (83, 2438530), (86, 2353465), (106, 1909415), (107, 1891570), (166, 1219265), (214, 945785), (215, 941386), (265, 763766), (415, 487706), (430, 470693), (530, 381883), (535, 378314), (830, 243853), (1070, 189157), (2279, 88810), (3569, 56710), (4399, 46010), (4558, 44405), (4601, 43990), (5671, 35690), (7138, 28355), (8798, 23005), (8881, 22790), (9202, 21995), (11342, 17845), (11395, 17762)]