390015691460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23117}}^1\times {\mathrm{13829}}^1$

素因数の和:37016

約数の個数: 48

約数和(自身を含む): 832555931760

約数和(自身を除く): 442540240300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13829, 23117, 27658, 46234, 55316, 69145, 92468, 115585, 138290, 231170, 276580, 462340, 843569, 1410137, 1687138, 2820274, 3374276, 4217845, 5640548, 7050685, 8435690, 14101370, 16871380, 28202740, 319684993, 639369986, 1278739972, 1598424965, 3196849930, 6393699860, 19500784573, 39001569146, 78003138292, 97503922865, 195007845730, 390015691460]

約数ペア:

[(1, 390015691460), (2, 195007845730), (4, 97503922865), (5, 78003138292), (10, 39001569146), (20, 19500784573), (61, 6393699860), (122, 3196849930), (244, 1598424965), (305, 1278739972), (610, 639369986), (1220, 319684993), (13829, 28202740), (23117, 16871380), (27658, 14101370), (46234, 8435690), (55316, 7050685), (69145, 5640548), (92468, 4217845), (115585, 3374276), (138290, 2820274), (231170, 1687138), (276580, 1410137), (462340, 843569)]