7881454220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1\times {\mathrm{12517}}^1$

素因数の和:14202

約数の個数: 48

約数和(自身を含む): 17434068960

約数和(自身を除く): 9552614740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1657, 3314, 6628, 8285, 12517, 16570, 25034, 31483, 33140, 50068, 62585, 62966, 125170, 125932, 157415, 237823, 250340, 314830, 475646, 629660, 951292, 1189115, 2378230, 4756460, 20740669, 41481338, 82962676, 103703345, 207406690, 394072711, 414813380, 788145422, 1576290844, 1970363555, 3940727110, 7881454220]

約数ペア:

[(1, 7881454220), (2, 3940727110), (4, 1970363555), (5, 1576290844), (10, 788145422), (19, 414813380), (20, 394072711), (38, 207406690), (76, 103703345), (95, 82962676), (190, 41481338), (380, 20740669), (1657, 4756460), (3314, 2378230), (6628, 1189115), (8285, 951292), (12517, 629660), (16570, 475646), (25034, 314830), (31483, 250340), (33140, 237823), (50068, 157415), (62585, 125932), (62966, 125170)]