28894500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{6421}}^1$

素因数の和:6446

約数の個数: 72

約数和(自身を含む): 91166712

約数和(自身を除く): 62272212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 6421, 12842, 19263, 25684, 32105, 38526, 57789, 64210, 77052, 96315, 115578, 128420, 160525, 192630, 231156, 288945, 321050, 385260, 481575, 577890, 642100, 802625, 963150, 1155780, 1444725, 1605250, 1926300, 2407875, 2889450, 3210500, 4815750, 5778900, 7223625, 9631500, 14447250, 28894500]

約数ペア:

[(1, 28894500), (2, 14447250), (3, 9631500), (4, 7223625), (5, 5778900), (6, 4815750), (9, 3210500), (10, 2889450), (12, 2407875), (15, 1926300), (18, 1605250), (20, 1444725), (25, 1155780), (30, 963150), (36, 802625), (45, 642100), (50, 577890), (60, 481575), (75, 385260), (90, 321050), (100, 288945), (125, 231156), (150, 192630), (180, 160525), (225, 128420), (250, 115578), (300, 96315), (375, 77052), (450, 64210), (500, 57789), (750, 38526), (900, 32105), (1125, 25684), (1500, 19263), (2250, 12842), (4500, 6421)]