31770620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 82219536

約数和(自身を除く): 50448916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 1907, 2380, 3332, 3814, 4165, 7628, 8330, 9535, 13349, 16660, 19070, 26698, 32419, 38140, 53396, 64838, 66745, 93443, 129676, 133490, 162095, 186886, 226933, 266980, 324190, 373772, 453866, 467215, 648380, 907732, 934430, 1134665, 1588531, 1868860, 2269330, 3177062, 4538660, 6354124, 7942655, 15885310, 31770620]

約数ペア:

[(1, 31770620), (2, 15885310), (4, 7942655), (5, 6354124), (7, 4538660), (10, 3177062), (14, 2269330), (17, 1868860), (20, 1588531), (28, 1134665), (34, 934430), (35, 907732), (49, 648380), (68, 467215), (70, 453866), (85, 373772), (98, 324190), (119, 266980), (140, 226933), (170, 186886), (196, 162095), (238, 133490), (245, 129676), (340, 93443), (476, 66745), (490, 64838), (595, 53396), (833, 38140), (980, 32419), (1190, 26698), (1666, 19070), (1907, 16660), (2380, 13349), (3332, 9535), (3814, 8330), (4165, 7628)]