1900538650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1604

約数の個数: 72

約数和(自身を含む): 3785945184

約数和(自身を除く): 1885406534

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 361, 475, 710, 722, 950, 1349, 1483, 1775, 1805, 2698, 2966, 3550, 3610, 6745, 7415, 9025, 13490, 14830, 18050, 25631, 28177, 33725, 37075, 51262, 56354, 67450, 74150, 105293, 128155, 140885, 210586, 256310, 281770, 526465, 535363, 640775, 704425, 1052930, 1070726, 1281550, 1408850, 2000567, 2632325, 2676815, 4001134, 5264650, 5353630, 10002835, 13384075, 20005670, 26768150, 38010773, 50014175, 76021546, 100028350, 190053865, 380107730, 950269325, 1900538650]

約数ペア:

[(1, 1900538650), (2, 950269325), (5, 380107730), (10, 190053865), (19, 100028350), (25, 76021546), (38, 50014175), (50, 38010773), (71, 26768150), (95, 20005670), (142, 13384075), (190, 10002835), (355, 5353630), (361, 5264650), (475, 4001134), (710, 2676815), (722, 2632325), (950, 2000567), (1349, 1408850), (1483, 1281550), (1775, 1070726), (1805, 1052930), (2698, 704425), (2966, 640775), (3550, 535363), (3610, 526465), (6745, 281770), (7415, 256310), (9025, 210586), (13490, 140885), (14830, 128155), (18050, 105293), (25631, 74150), (28177, 67450), (33725, 56354), (37075, 51262)]