738764020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{281971}}^1$

素因数の和:282111

約数の個数: 24

約数和(自身を含む): 1563252768

約数和(自身を除く): 824488748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 281971, 563942, 1127884, 1409855, 2819710, 5639420, 36938201, 73876402, 147752804, 184691005, 369382010, 738764020]

約数ペア:

[(1, 738764020), (2, 369382010), (4, 184691005), (5, 147752804), (10, 73876402), (20, 36938201), (131, 5639420), (262, 2819710), (524, 1409855), (655, 1127884), (1310, 563942), (2620, 281971)]