201929900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 457002000

約数和(自身を除く): 255072100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 179, 290, 358, 389, 580, 716, 725, 778, 895, 1450, 1556, 1790, 1945, 2900, 3580, 3890, 4475, 5191, 7780, 8950, 9725, 10382, 11281, 17900, 19450, 20764, 22562, 25955, 38900, 45124, 51910, 56405, 69631, 103820, 112810, 129775, 139262, 225620, 259550, 278524, 282025, 348155, 519100, 564050, 696310, 1128100, 1392620, 1740775, 2019299, 3481550, 4038598, 6963100, 8077196, 10096495, 20192990, 40385980, 50482475, 100964950, 201929900]

約数ペア:

[(1, 201929900), (2, 100964950), (4, 50482475), (5, 40385980), (10, 20192990), (20, 10096495), (25, 8077196), (29, 6963100), (50, 4038598), (58, 3481550), (100, 2019299), (116, 1740775), (145, 1392620), (179, 1128100), (290, 696310), (358, 564050), (389, 519100), (580, 348155), (716, 282025), (725, 278524), (778, 259550), (895, 225620), (1450, 139262), (1556, 129775), (1790, 112810), (1945, 103820), (2900, 69631), (3580, 56405), (3890, 51910), (4475, 45124), (5191, 38900), (7780, 25955), (8950, 22562), (9725, 20764), (10382, 19450), (11281, 17900)]