28101750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 71098560

約数和(自身を除く): 42996810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 125, 150, 178, 250, 267, 375, 421, 445, 534, 750, 842, 890, 1263, 1335, 2105, 2225, 2526, 2670, 4210, 4450, 6315, 6675, 10525, 11125, 12630, 13350, 21050, 22250, 31575, 33375, 37469, 52625, 63150, 66750, 74938, 105250, 112407, 157875, 187345, 224814, 315750, 374690, 562035, 936725, 1124070, 1873450, 2810175, 4683625, 5620350, 9367250, 14050875, 28101750]

約数ペア:

[(1, 28101750), (2, 14050875), (3, 9367250), (5, 5620350), (6, 4683625), (10, 2810175), (15, 1873450), (25, 1124070), (30, 936725), (50, 562035), (75, 374690), (89, 315750), (125, 224814), (150, 187345), (178, 157875), (250, 112407), (267, 105250), (375, 74938), (421, 66750), (445, 63150), (534, 52625), (750, 37469), (842, 33375), (890, 31575), (1263, 22250), (1335, 21050), (2105, 13350), (2225, 12630), (2526, 11125), (2670, 10525), (4210, 6675), (4450, 6315)]