77992980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99991}}^1$

素因数の和:100016

約数の個数: 48

約数和(自身を含む): 235181184

約数和(自身を除く): 157188204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 99991, 199982, 299973, 399964, 499955, 599946, 999910, 1199892, 1299883, 1499865, 1999820, 2599766, 2999730, 3899649, 5199532, 5999460, 6499415, 7799298, 12998830, 15598596, 19498245, 25997660, 38996490, 77992980]

約数ペア:

[(1, 77992980), (2, 38996490), (3, 25997660), (4, 19498245), (5, 15598596), (6, 12998830), (10, 7799298), (12, 6499415), (13, 5999460), (15, 5199532), (20, 3899649), (26, 2999730), (30, 2599766), (39, 1999820), (52, 1499865), (60, 1299883), (65, 1199892), (78, 999910), (130, 599946), (156, 499955), (195, 399964), (260, 299973), (390, 199982), (780, 99991)]