17644580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 21062620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 191, 298, 310, 382, 596, 620, 745, 764, 955, 1490, 1910, 2980, 3820, 4619, 5921, 9238, 11842, 18476, 23095, 23684, 28459, 29605, 46190, 56918, 59210, 92380, 113836, 118420, 142295, 284590, 569180, 882229, 1764458, 3528916, 4411145, 8822290, 17644580]

約数ペア:

[(1, 17644580), (2, 8822290), (4, 4411145), (5, 3528916), (10, 1764458), (20, 882229), (31, 569180), (62, 284590), (124, 142295), (149, 118420), (155, 113836), (191, 92380), (298, 59210), (310, 56918), (382, 46190), (596, 29605), (620, 28459), (745, 23684), (764, 23095), (955, 18476), (1490, 11842), (1910, 9238), (2980, 5921), (3820, 4619)]