84370220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 203212800

約数和(自身を除く): 118842580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 89, 110, 124, 139, 155, 178, 220, 278, 310, 341, 356, 445, 556, 620, 682, 695, 890, 979, 1364, 1390, 1529, 1705, 1780, 1958, 2759, 2780, 3058, 3410, 3916, 4309, 4895, 5518, 6116, 6820, 7645, 8618, 9790, 11036, 12371, 13795, 15290, 17236, 19580, 21545, 24742, 27590, 30349, 30580, 43090, 47399, 49484, 55180, 60698, 61855, 86180, 94798, 121396, 123710, 136081, 151745, 189596, 236995, 247420, 272162, 303490, 383501, 473990, 544324, 606980, 680405, 767002, 947980, 1360810, 1534004, 1917505, 2721620, 3835010, 4218511, 7670020, 8437022, 16874044, 21092555, 42185110, 84370220]

約数ペア:

[(1, 84370220), (2, 42185110), (4, 21092555), (5, 16874044), (10, 8437022), (11, 7670020), (20, 4218511), (22, 3835010), (31, 2721620), (44, 1917505), (55, 1534004), (62, 1360810), (89, 947980), (110, 767002), (124, 680405), (139, 606980), (155, 544324), (178, 473990), (220, 383501), (278, 303490), (310, 272162), (341, 247420), (356, 236995), (445, 189596), (556, 151745), (620, 136081), (682, 123710), (695, 121396), (890, 94798), (979, 86180), (1364, 61855), (1390, 60698), (1529, 55180), (1705, 49484), (1780, 47399), (1958, 43090), (2759, 30580), (2780, 30349), (3058, 27590), (3410, 24742), (3916, 21545), (4309, 19580), (4895, 17236), (5518, 15290), (6116, 13795), (6820, 12371), (7645, 11036), (8618, 9790)]