72217850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 67058950

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 94, 158, 235, 389, 395, 470, 778, 790, 1175, 1945, 1975, 2350, 3713, 3890, 3950, 7426, 9725, 18283, 18565, 19450, 30731, 36566, 37130, 61462, 91415, 92825, 153655, 182830, 185650, 307310, 457075, 768275, 914150, 1444357, 1536550, 2888714, 7221785, 14443570, 36108925, 72217850]

約数ペア:

[(1, 72217850), (2, 36108925), (5, 14443570), (10, 7221785), (25, 2888714), (47, 1536550), (50, 1444357), (79, 914150), (94, 768275), (158, 457075), (235, 307310), (389, 185650), (395, 182830), (470, 153655), (778, 92825), (790, 91415), (1175, 61462), (1945, 37130), (1975, 36566), (2350, 30731), (3713, 19450), (3890, 18565), (3950, 18283), (7426, 9725)]