99997660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3203}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 241145856

約数和(自身を除く): 141148196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 3203, 4460, 6244, 6406, 7805, 12812, 15610, 16015, 22421, 31220, 32030, 44842, 64060, 89684, 112105, 224210, 448420, 714269, 1428538, 2857076, 3571345, 4999883, 7142690, 9999766, 14285380, 19999532, 24999415, 49998830, 99997660]

約数ペア:

[(1, 99997660), (2, 49998830), (4, 24999415), (5, 19999532), (7, 14285380), (10, 9999766), (14, 7142690), (20, 4999883), (28, 3571345), (35, 2857076), (70, 1428538), (140, 714269), (223, 448420), (446, 224210), (892, 112105), (1115, 89684), (1561, 64060), (2230, 44842), (3122, 32030), (3203, 31220), (4460, 22421), (6244, 16015), (6406, 15610), (7805, 12812)]