28103320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3461}}^1$

素因数の和:3508

約数の個数: 64

約数和(自身を含む): 74779200

約数和(自身を除く): 46675880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3461, 4060, 6922, 8120, 13844, 17305, 24227, 27688, 34610, 48454, 69220, 96908, 100369, 121135, 138440, 193816, 200738, 242270, 401476, 484540, 501845, 702583, 802952, 969080, 1003690, 1405166, 2007380, 2810332, 3512915, 4014760, 5620664, 7025830, 14051660, 28103320]

約数ペア:

[(1, 28103320), (2, 14051660), (4, 7025830), (5, 5620664), (7, 4014760), (8, 3512915), (10, 2810332), (14, 2007380), (20, 1405166), (28, 1003690), (29, 969080), (35, 802952), (40, 702583), (56, 501845), (58, 484540), (70, 401476), (116, 242270), (140, 200738), (145, 193816), (203, 138440), (232, 121135), (280, 100369), (290, 96908), (406, 69220), (580, 48454), (812, 34610), (1015, 27688), (1160, 24227), (1624, 17305), (2030, 13844), (3461, 8120), (4060, 6922)]