278857230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{152381}}^1$

素因数の和:152452

約数の個数: 32

約数和(自身を含む): 680233248

約数和(自身を除く): 401376018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 152381, 304762, 457143, 761905, 914286, 1523810, 2285715, 4571430, 9295241, 18590482, 27885723, 46476205, 55771446, 92952410, 139428615, 278857230]

約数ペア:

[(1, 278857230), (2, 139428615), (3, 92952410), (5, 55771446), (6, 46476205), (10, 27885723), (15, 18590482), (30, 9295241), (61, 4571430), (122, 2285715), (183, 1523810), (305, 914286), (366, 761905), (610, 457143), (915, 304762), (1830, 152381)]