4639420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 10634400

約数和(自身を除く): 5994980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 421, 551, 580, 842, 1102, 1684, 2105, 2204, 2755, 4210, 5510, 7999, 8420, 11020, 12209, 15998, 24418, 31996, 39995, 48836, 61045, 79990, 122090, 159980, 231971, 244180, 463942, 927884, 1159855, 2319710, 4639420]

約数ペア:

[(1, 4639420), (2, 2319710), (4, 1159855), (5, 927884), (10, 463942), (19, 244180), (20, 231971), (29, 159980), (38, 122090), (58, 79990), (76, 61045), (95, 48836), (116, 39995), (145, 31996), (190, 24418), (290, 15998), (380, 12209), (421, 11020), (551, 8420), (580, 7999), (842, 5510), (1102, 4210), (1684, 2755), (2105, 2204)]