320391386

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 267958054

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 113, 139, 217, 226, 278, 329, 434, 658, 791, 973, 1457, 1582, 1946, 2914, 3503, 4309, 5311, 6533, 7006, 8618, 10199, 10622, 13066, 15707, 20398, 24521, 30163, 31414, 37177, 45731, 49042, 60326, 74354, 91462, 109949, 164641, 202523, 219898, 329282, 405046, 486917, 738229, 973834, 1152487, 1417661, 1476458, 2304974, 2835322, 3408419, 5167603, 6816838, 10335206, 22885099, 45770198, 160195693, 320391386]

約数ペア:

[(1, 320391386), (2, 160195693), (7, 45770198), (14, 22885099), (31, 10335206), (47, 6816838), (62, 5167603), (94, 3408419), (113, 2835322), (139, 2304974), (217, 1476458), (226, 1417661), (278, 1152487), (329, 973834), (434, 738229), (658, 486917), (791, 405046), (973, 329282), (1457, 219898), (1582, 202523), (1946, 164641), (2914, 109949), (3503, 91462), (4309, 74354), (5311, 60326), (6533, 49042), (7006, 45731), (8618, 37177), (10199, 31414), (10622, 30163), (13066, 24521), (15707, 20398)]