31255180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 77620032

約数和(自身を除く): 46364852

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 61, 68, 85, 110, 122, 137, 170, 187, 220, 244, 274, 305, 340, 374, 548, 610, 671, 685, 748, 935, 1037, 1220, 1342, 1370, 1507, 1870, 2074, 2329, 2684, 2740, 3014, 3355, 3740, 4148, 4658, 5185, 6028, 6710, 7535, 8357, 9316, 10370, 11407, 11645, 13420, 15070, 16714, 20740, 22814, 23290, 25619, 30140, 33428, 41785, 45628, 46580, 51238, 57035, 83570, 91927, 102476, 114070, 128095, 142069, 167140, 183854, 228140, 256190, 284138, 367708, 459635, 512380, 568276, 710345, 919270, 1420690, 1562759, 1838540, 2841380, 3125518, 6251036, 7813795, 15627590, 31255180]

約数ペア:

[(1, 31255180), (2, 15627590), (4, 7813795), (5, 6251036), (10, 3125518), (11, 2841380), (17, 1838540), (20, 1562759), (22, 1420690), (34, 919270), (44, 710345), (55, 568276), (61, 512380), (68, 459635), (85, 367708), (110, 284138), (122, 256190), (137, 228140), (170, 183854), (187, 167140), (220, 142069), (244, 128095), (274, 114070), (305, 102476), (340, 91927), (374, 83570), (548, 57035), (610, 51238), (671, 46580), (685, 45628), (748, 41785), (935, 33428), (1037, 30140), (1220, 25619), (1342, 23290), (1370, 22814), (1507, 20740), (1870, 16714), (2074, 15070), (2329, 13420), (2684, 11645), (2740, 11407), (3014, 10370), (3355, 9316), (3740, 8357), (4148, 7535), (4658, 6710), (5185, 6028)]