1900528980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{10499}}^1$

素因数の和:10949

約数の個数: 96

約数和(自身を含む): 6096384000

約数和(自身を除く): 4195855020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 862, 1293, 1724, 2155, 2586, 3017, 4310, 5172, 6034, 6465, 8620, 9051, 10499, 12068, 12930, 15085, 18102, 20998, 25860, 30170, 31497, 36204, 41996, 45255, 52495, 60340, 62994, 73493, 90510, 104990, 125988, 146986, 157485, 181020, 209980, 220479, 293972, 314970, 367465, 440958, 629940, 734930, 881916, 1102395, 1469860, 2204790, 4409580, 4525069, 9050138, 13575207, 18100276, 22625345, 27150414, 31675483, 45250690, 54300828, 63350966, 67876035, 90501380, 95026449, 126701932, 135752070, 158377415, 190052898, 271504140, 316754830, 380105796, 475132245, 633509660, 950264490, 1900528980]

約数ペア:

[(1, 1900528980), (2, 950264490), (3, 633509660), (4, 475132245), (5, 380105796), (6, 316754830), (7, 271504140), (10, 190052898), (12, 158377415), (14, 135752070), (15, 126701932), (20, 95026449), (21, 90501380), (28, 67876035), (30, 63350966), (35, 54300828), (42, 45250690), (60, 31675483), (70, 27150414), (84, 22625345), (105, 18100276), (140, 13575207), (210, 9050138), (420, 4525069), (431, 4409580), (862, 2204790), (1293, 1469860), (1724, 1102395), (2155, 881916), (2586, 734930), (3017, 629940), (4310, 440958), (5172, 367465), (6034, 314970), (6465, 293972), (8620, 220479), (9051, 209980), (10499, 181020), (12068, 157485), (12930, 146986), (15085, 125988), (18102, 104990), (20998, 90510), (25860, 73493), (30170, 62994), (31497, 60340), (36204, 52495), (41996, 45255)]