31530500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3357

約数の個数: 48

約数和(自身を含む): 72508800

約数和(自身を除く): 40978300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 3319, 4750, 6638, 9500, 13276, 16595, 33190, 63061, 66380, 82975, 126122, 165950, 252244, 315305, 331900, 414875, 630610, 829750, 1261220, 1576525, 1659500, 3153050, 6306100, 7882625, 15765250, 31530500]

約数ペア:

[(1, 31530500), (2, 15765250), (4, 7882625), (5, 6306100), (10, 3153050), (19, 1659500), (20, 1576525), (25, 1261220), (38, 829750), (50, 630610), (76, 414875), (95, 331900), (100, 315305), (125, 252244), (190, 165950), (250, 126122), (380, 82975), (475, 66380), (500, 63061), (950, 33190), (1900, 16595), (2375, 13276), (3319, 9500), (4750, 6638)]