1391909560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{2833}}^1$

素因数の和:3088

約数の個数: 64

約数和(自身を含む): 3195391680

約数和(自身を除く): 1803482120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 346, 355, 568, 692, 710, 865, 1384, 1420, 1730, 2833, 2840, 3460, 5666, 6920, 11332, 12283, 14165, 22664, 24566, 28330, 49132, 56660, 61415, 98264, 113320, 122830, 201143, 245660, 402286, 490109, 491320, 804572, 980218, 1005715, 1609144, 1960436, 2011430, 2450545, 3920872, 4022860, 4901090, 8045720, 9802180, 19604360, 34797739, 69595478, 139190956, 173988695, 278381912, 347977390, 695954780, 1391909560]

約数ペア:

[(1, 1391909560), (2, 695954780), (4, 347977390), (5, 278381912), (8, 173988695), (10, 139190956), (20, 69595478), (40, 34797739), (71, 19604360), (142, 9802180), (173, 8045720), (284, 4901090), (346, 4022860), (355, 3920872), (568, 2450545), (692, 2011430), (710, 1960436), (865, 1609144), (1384, 1005715), (1420, 980218), (1730, 804572), (2833, 491320), (2840, 490109), (3460, 402286), (5666, 245660), (6920, 201143), (11332, 122830), (12283, 113320), (14165, 98264), (22664, 61415), (24566, 56660), (28330, 49132)]