204521910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2117

約数の個数: 64

約数和(自身を含む): 508419072

約数和(自身を除く): 303897162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 73, 94, 141, 146, 219, 235, 282, 365, 438, 470, 705, 730, 1095, 1410, 1987, 2190, 3431, 3974, 5961, 6862, 9935, 10293, 11922, 17155, 19870, 20586, 29805, 34310, 51465, 59610, 93389, 102930, 145051, 186778, 280167, 290102, 435153, 466945, 560334, 725255, 870306, 933890, 1400835, 1450510, 2175765, 2801670, 4351530, 6817397, 13634794, 20452191, 34086985, 40904382, 68173970, 102260955, 204521910]

約数ペア:

[(1, 204521910), (2, 102260955), (3, 68173970), (5, 40904382), (6, 34086985), (10, 20452191), (15, 13634794), (30, 6817397), (47, 4351530), (73, 2801670), (94, 2175765), (141, 1450510), (146, 1400835), (219, 933890), (235, 870306), (282, 725255), (365, 560334), (438, 466945), (470, 435153), (705, 290102), (730, 280167), (1095, 186778), (1410, 145051), (1987, 102930), (2190, 93389), (3431, 59610), (3974, 51465), (5961, 34310), (6862, 29805), (9935, 20586), (10293, 19870), (11922, 17155)]