285446240

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2699}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 675637200

約数和(自身を除く): 390190960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2644, 2699, 3305, 5288, 5398, 6610, 10576, 10796, 13220, 13495, 21152, 21592, 26440, 26990, 43184, 52880, 53980, 86368, 105760, 107960, 215920, 431840, 1784039, 3568078, 7136156, 8920195, 14272312, 17840390, 28544624, 35680780, 57089248, 71361560, 142723120, 285446240]

約数ペア:

[(1, 285446240), (2, 142723120), (4, 71361560), (5, 57089248), (8, 35680780), (10, 28544624), (16, 17840390), (20, 14272312), (32, 8920195), (40, 7136156), (80, 3568078), (160, 1784039), (661, 431840), (1322, 215920), (2644, 107960), (2699, 105760), (3305, 86368), (5288, 53980), (5398, 52880), (6610, 43184), (10576, 26990), (10796, 26440), (13220, 21592), (13495, 21152)]