42385420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1663

約数の個数: 96

約数和(自身を含む): 117573120

約数和(自身を除く): 75187700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1619, 1870, 2380, 2618, 3238, 3740, 5236, 6476, 6545, 8095, 11333, 13090, 16190, 17809, 22666, 26180, 27523, 32380, 35618, 45332, 55046, 56665, 71236, 89045, 110092, 113330, 124663, 137615, 178090, 192661, 226660, 249326, 275230, 302753, 356180, 385322, 498652, 550460, 605506, 623315, 770644, 963305, 1211012, 1246630, 1513765, 1926610, 2119271, 2493260, 3027530, 3853220, 4238542, 6055060, 8477084, 10596355, 21192710, 42385420]

約数ペア:

[(1, 42385420), (2, 21192710), (4, 10596355), (5, 8477084), (7, 6055060), (10, 4238542), (11, 3853220), (14, 3027530), (17, 2493260), (20, 2119271), (22, 1926610), (28, 1513765), (34, 1246630), (35, 1211012), (44, 963305), (55, 770644), (68, 623315), (70, 605506), (77, 550460), (85, 498652), (110, 385322), (119, 356180), (140, 302753), (154, 275230), (170, 249326), (187, 226660), (220, 192661), (238, 178090), (308, 137615), (340, 124663), (374, 113330), (385, 110092), (476, 89045), (595, 71236), (748, 56665), (770, 55046), (935, 45332), (1190, 35618), (1309, 32380), (1540, 27523), (1619, 26180), (1870, 22666), (2380, 17809), (2618, 16190), (3238, 13090), (3740, 11333), (5236, 8095), (6476, 6545)]