304879220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{929}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 653864400

約数和(自身を除く): 348985180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 269, 305, 538, 610, 929, 1076, 1220, 1345, 1858, 2690, 3716, 4645, 5380, 9290, 16409, 18580, 32818, 56669, 65636, 82045, 113338, 164090, 226676, 249901, 283345, 328180, 499802, 566690, 999604, 1133380, 1249505, 2499010, 4998020, 15243961, 30487922, 60975844, 76219805, 152439610, 304879220]

約数ペア:

[(1, 304879220), (2, 152439610), (4, 76219805), (5, 60975844), (10, 30487922), (20, 15243961), (61, 4998020), (122, 2499010), (244, 1249505), (269, 1133380), (305, 999604), (538, 566690), (610, 499802), (929, 328180), (1076, 283345), (1220, 249901), (1345, 226676), (1858, 164090), (2690, 113338), (3716, 82045), (4645, 65636), (5380, 56669), (9290, 32818), (16409, 18580)]