172473980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8863}}^1$

素因数の和:9018

約数の個数: 48

約数和(自身を含む): 416962560

約数和(自身を除く): 244488580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 8863, 9730, 17726, 19460, 35452, 44315, 62041, 88630, 124082, 177260, 248164, 310205, 620410, 1231957, 1240820, 2463914, 4927828, 6159785, 8623699, 12319570, 17247398, 24639140, 34494796, 43118495, 86236990, 172473980]

約数ペア:

[(1, 172473980), (2, 86236990), (4, 43118495), (5, 34494796), (7, 24639140), (10, 17247398), (14, 12319570), (20, 8623699), (28, 6159785), (35, 4927828), (70, 2463914), (139, 1240820), (140, 1231957), (278, 620410), (556, 310205), (695, 248164), (973, 177260), (1390, 124082), (1946, 88630), (2780, 62041), (3892, 44315), (4865, 35452), (8863, 19460), (9730, 17726)]