18292995220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:3049

約数の個数: 96

約数和(自身を含む): 40497408000

約数和(自身を除く): 22204412780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 149, 155, 284, 298, 310, 355, 596, 620, 710, 745, 1420, 1490, 2201, 2789, 2980, 4402, 4619, 5578, 8804, 9238, 10579, 11005, 11156, 13945, 18476, 21158, 22010, 23095, 27890, 42316, 44020, 46190, 52895, 55780, 86459, 92380, 105790, 172918, 198019, 211580, 327949, 345836, 396038, 415561, 432295, 655898, 792076, 831122, 864590, 990095, 1311796, 1639745, 1662244, 1729180, 1980190, 2077805, 3279490, 3960380, 4155610, 6138589, 6558980, 8311220, 12277178, 12882391, 24554356, 25764782, 29504831, 30692945, 51529564, 59009662, 61385890, 64411955, 118019324, 122771780, 128823910, 147524155, 257647820, 295048310, 590096620, 914649761, 1829299522, 3658599044, 4573248805, 9146497610, 18292995220]

約数ペア:

[(1, 18292995220), (2, 9146497610), (4, 4573248805), (5, 3658599044), (10, 1829299522), (20, 914649761), (31, 590096620), (62, 295048310), (71, 257647820), (124, 147524155), (142, 128823910), (149, 122771780), (155, 118019324), (284, 64411955), (298, 61385890), (310, 59009662), (355, 51529564), (596, 30692945), (620, 29504831), (710, 25764782), (745, 24554356), (1420, 12882391), (1490, 12277178), (2201, 8311220), (2789, 6558980), (2980, 6138589), (4402, 4155610), (4619, 3960380), (5578, 3279490), (8804, 2077805), (9238, 1980190), (10579, 1729180), (11005, 1662244), (11156, 1639745), (13945, 1311796), (18476, 990095), (21158, 864590), (22010, 831122), (23095, 792076), (27890, 655898), (42316, 432295), (44020, 415561), (46190, 396038), (52895, 345836), (55780, 327949), (86459, 211580), (92380, 198019), (105790, 172918)]