31010980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 87494400

約数和(自身を除く): 56483420

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1549, 1820, 2002, 2860, 3098, 4004, 5005, 6196, 7745, 10010, 10843, 15490, 17039, 20020, 20137, 21686, 30980, 34078, 40274, 43372, 54215, 68156, 80548, 85195, 100685, 108430, 119273, 140959, 170390, 201370, 216860, 221507, 238546, 281918, 340780, 402740, 443014, 477092, 563836, 596365, 704795, 886028, 1107535, 1192730, 1409590, 1550549, 2215070, 2385460, 2819180, 3101098, 4430140, 6202196, 7752745, 15505490, 31010980]

約数ペア:

[(1, 31010980), (2, 15505490), (4, 7752745), (5, 6202196), (7, 4430140), (10, 3101098), (11, 2819180), (13, 2385460), (14, 2215070), (20, 1550549), (22, 1409590), (26, 1192730), (28, 1107535), (35, 886028), (44, 704795), (52, 596365), (55, 563836), (65, 477092), (70, 443014), (77, 402740), (91, 340780), (110, 281918), (130, 238546), (140, 221507), (143, 216860), (154, 201370), (182, 170390), (220, 140959), (260, 119273), (286, 108430), (308, 100685), (364, 85195), (385, 80548), (455, 68156), (572, 54215), (715, 43372), (770, 40274), (910, 34078), (1001, 30980), (1430, 21686), (1540, 20137), (1549, 20020), (1820, 17039), (2002, 15490), (2860, 10843), (3098, 10010), (4004, 7745), (5005, 6196)]