205228170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 626619240

約数和(自身を除く): 421391070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 173, 210, 245, 269, 294, 315, 346, 441, 490, 519, 538, 630, 735, 807, 865, 882, 1038, 1211, 1345, 1470, 1557, 1614, 1730, 1883, 2205, 2421, 2422, 2595, 2690, 3114, 3633, 3766, 4035, 4410, 4842, 5190, 5649, 6055, 7266, 7785, 8070, 8477, 9415, 10899, 11298, 12105, 12110, 13181, 15570, 16947, 16954, 18165, 18830, 21798, 24210, 25431, 26362, 28245, 33894, 36330, 39543, 42385, 46537, 50862, 54495, 56490, 65905, 76293, 79086, 84735, 84770, 93074, 108990, 118629, 127155, 131810, 139611, 152586, 169470, 197715, 232685, 237258, 254310, 279222, 325759, 381465, 395430, 418833, 465370, 593145, 651518, 698055, 762930, 837666, 977277, 1186290, 1396110, 1628795, 1954554, 2094165, 2280313, 2931831, 3257590, 4188330, 4560626, 4886385, 5863662, 6840939, 9772770, 11401565, 13681878, 14659155, 20522817, 22803130, 29318310, 34204695, 41045634, 68409390, 102614085, 205228170]

約数ペア:

[(1, 205228170), (2, 102614085), (3, 68409390), (5, 41045634), (6, 34204695), (7, 29318310), (9, 22803130), (10, 20522817), (14, 14659155), (15, 13681878), (18, 11401565), (21, 9772770), (30, 6840939), (35, 5863662), (42, 4886385), (45, 4560626), (49, 4188330), (63, 3257590), (70, 2931831), (90, 2280313), (98, 2094165), (105, 1954554), (126, 1628795), (147, 1396110), (173, 1186290), (210, 977277), (245, 837666), (269, 762930), (294, 698055), (315, 651518), (346, 593145), (441, 465370), (490, 418833), (519, 395430), (538, 381465), (630, 325759), (735, 279222), (807, 254310), (865, 237258), (882, 232685), (1038, 197715), (1211, 169470), (1345, 152586), (1470, 139611), (1557, 131810), (1614, 127155), (1730, 118629), (1883, 108990), (2205, 93074), (2421, 84770), (2422, 84735), (2595, 79086), (2690, 76293), (3114, 65905), (3633, 56490), (3766, 54495), (4035, 50862), (4410, 46537), (4842, 42385), (5190, 39543), (5649, 36330), (6055, 33894), (7266, 28245), (7785, 26362), (8070, 25431), (8477, 24210), (9415, 21798), (10899, 18830), (11298, 18165), (12105, 16954), (12110, 16947), (13181, 15570)]