220145952

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:866

約数の個数: 96

約数和(自身を含む): 625302720

約数和(自身を除く): 405156768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 419, 421, 624, 838, 842, 1248, 1257, 1263, 1676, 1684, 2514, 2526, 3352, 3368, 5028, 5052, 5447, 5473, 6704, 6736, 10056, 10104, 10894, 10946, 13408, 13472, 16341, 16419, 20112, 20208, 21788, 21892, 32682, 32838, 40224, 40416, 43576, 43784, 65364, 65676, 87152, 87568, 130728, 131352, 174304, 175136, 176399, 261456, 262704, 352798, 522912, 525408, 529197, 705596, 1058394, 1411192, 2116788, 2293187, 2822384, 4233576, 4586374, 5644768, 6879561, 8467152, 9172748, 13759122, 16934304, 18345496, 27518244, 36690992, 55036488, 73381984, 110072976, 220145952]

約数ペア:

[(1, 220145952), (2, 110072976), (3, 73381984), (4, 55036488), (6, 36690992), (8, 27518244), (12, 18345496), (13, 16934304), (16, 13759122), (24, 9172748), (26, 8467152), (32, 6879561), (39, 5644768), (48, 4586374), (52, 4233576), (78, 2822384), (96, 2293187), (104, 2116788), (156, 1411192), (208, 1058394), (312, 705596), (416, 529197), (419, 525408), (421, 522912), (624, 352798), (838, 262704), (842, 261456), (1248, 176399), (1257, 175136), (1263, 174304), (1676, 131352), (1684, 130728), (2514, 87568), (2526, 87152), (3352, 65676), (3368, 65364), (5028, 43784), (5052, 43576), (5447, 40416), (5473, 40224), (6704, 32838), (6736, 32682), (10056, 21892), (10104, 21788), (10894, 20208), (10946, 20112), (13408, 16419), (13472, 16341)]