28209750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 72895680

約数和(自身を除く): 44685930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 1297, 1450, 2175, 2594, 3625, 3891, 4350, 6485, 7250, 7782, 10875, 12970, 19455, 21750, 32425, 37613, 38910, 64850, 75226, 97275, 112839, 162125, 188065, 194550, 225678, 324250, 376130, 486375, 564195, 940325, 972750, 1128390, 1880650, 2820975, 4701625, 5641950, 9403250, 14104875, 28209750]

約数ペア:

[(1, 28209750), (2, 14104875), (3, 9403250), (5, 5641950), (6, 4701625), (10, 2820975), (15, 1880650), (25, 1128390), (29, 972750), (30, 940325), (50, 564195), (58, 486375), (75, 376130), (87, 324250), (125, 225678), (145, 194550), (150, 188065), (174, 162125), (250, 112839), (290, 97275), (375, 75226), (435, 64850), (725, 38910), (750, 37613), (870, 32425), (1297, 21750), (1450, 19455), (2175, 12970), (2594, 10875), (3625, 7782), (3891, 7250), (4350, 6485)]