340917460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{31981}}^1$

素因数の和:32044

約数の個数: 48

約数和(自身を含む): 789827472

約数和(自身を除く): 448910012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 31981, 63962, 127924, 159905, 319810, 415753, 639620, 831506, 1311221, 1663012, 2078765, 2622442, 4157530, 5244884, 6556105, 8315060, 13112210, 17045873, 26224420, 34091746, 68183492, 85229365, 170458730, 340917460]

約数ペア:

[(1, 340917460), (2, 170458730), (4, 85229365), (5, 68183492), (10, 34091746), (13, 26224420), (20, 17045873), (26, 13112210), (41, 8315060), (52, 6556105), (65, 5244884), (82, 4157530), (130, 2622442), (164, 2078765), (205, 1663012), (260, 1311221), (410, 831506), (533, 639620), (820, 415753), (1066, 319810), (2132, 159905), (2665, 127924), (5330, 63962), (10660, 31981)]