198409980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25243}}^1$

素因数の和:25386

約数の個数: 48

約数和(自身を含む): 559810944

約数和(自身を除く): 361400964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 25243, 50486, 75729, 100972, 126215, 151458, 252430, 302916, 378645, 504860, 757290, 1514580, 3306833, 6613666, 9920499, 13227332, 16534165, 19840998, 33068330, 39681996, 49602495, 66136660, 99204990, 198409980]

約数ペア:

[(1, 198409980), (2, 99204990), (3, 66136660), (4, 49602495), (5, 39681996), (6, 33068330), (10, 19840998), (12, 16534165), (15, 13227332), (20, 9920499), (30, 6613666), (60, 3306833), (131, 1514580), (262, 757290), (393, 504860), (524, 378645), (655, 302916), (786, 252430), (1310, 151458), (1572, 126215), (1965, 100972), (2620, 75729), (3930, 50486), (7860, 25243)]