1338156920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 3039919200

約数和(自身を除く): 1701762280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 347, 421, 458, 694, 842, 916, 1145, 1388, 1684, 1735, 1832, 2105, 2290, 2776, 3368, 3470, 4210, 4580, 6940, 8420, 9160, 13880, 16840, 79463, 96409, 146087, 158926, 192818, 292174, 317852, 385636, 397315, 482045, 584348, 635704, 730435, 771272, 794630, 964090, 1168696, 1460870, 1589260, 1928180, 2921740, 3178520, 3856360, 5843480, 33453923, 66907846, 133815692, 167269615, 267631384, 334539230, 669078460, 1338156920]

約数ペア:

[(1, 1338156920), (2, 669078460), (4, 334539230), (5, 267631384), (8, 167269615), (10, 133815692), (20, 66907846), (40, 33453923), (229, 5843480), (347, 3856360), (421, 3178520), (458, 2921740), (694, 1928180), (842, 1589260), (916, 1460870), (1145, 1168696), (1388, 964090), (1684, 794630), (1735, 771272), (1832, 730435), (2105, 635704), (2290, 584348), (2776, 482045), (3368, 397315), (3470, 385636), (4210, 317852), (4580, 292174), (6940, 192818), (8420, 158926), (9160, 146087), (13880, 96409), (16840, 79463)]