399496720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1187}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 1064181888

約数和(自身を除く): 664685168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 601, 1187, 1202, 2374, 2404, 3005, 4207, 4748, 4808, 5935, 6010, 8309, 8414, 9496, 9616, 11870, 12020, 16618, 16828, 18992, 21035, 23740, 24040, 33236, 33656, 41545, 42070, 47480, 48080, 66472, 67312, 83090, 84140, 94960, 132944, 166180, 168280, 332360, 336560, 664720, 713387, 1426774, 2853548, 3566935, 4993709, 5707096, 7133870, 9987418, 11414192, 14267740, 19974836, 24968545, 28535480, 39949672, 49937090, 57070960, 79899344, 99874180, 199748360, 399496720]

約数ペア:

[(1, 399496720), (2, 199748360), (4, 99874180), (5, 79899344), (7, 57070960), (8, 49937090), (10, 39949672), (14, 28535480), (16, 24968545), (20, 19974836), (28, 14267740), (35, 11414192), (40, 9987418), (56, 7133870), (70, 5707096), (80, 4993709), (112, 3566935), (140, 2853548), (280, 1426774), (560, 713387), (601, 664720), (1187, 336560), (1202, 332360), (2374, 168280), (2404, 166180), (3005, 132944), (4207, 94960), (4748, 84140), (4808, 83090), (5935, 67312), (6010, 66472), (8309, 48080), (8414, 47480), (9496, 42070), (9616, 41545), (11870, 33656), (12020, 33236), (16618, 24040), (16828, 23740), (18992, 21035)]