28730500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 64484784

約数和(自身を除く): 35754284

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1553, 1850, 3106, 3700, 4625, 6212, 7765, 9250, 15530, 18500, 31060, 38825, 57461, 77650, 114922, 155300, 194125, 229844, 287305, 388250, 574610, 776500, 1149220, 1436525, 2873050, 5746100, 7182625, 14365250, 28730500]

約数ペア:

[(1, 28730500), (2, 14365250), (4, 7182625), (5, 5746100), (10, 2873050), (20, 1436525), (25, 1149220), (37, 776500), (50, 574610), (74, 388250), (100, 287305), (125, 229844), (148, 194125), (185, 155300), (250, 114922), (370, 77650), (500, 57461), (740, 38825), (925, 31060), (1553, 18500), (1850, 15530), (3106, 9250), (3700, 7765), (4625, 6212)]