4903900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 11718000

約数和(自身を除く): 6814100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 89, 95, 100, 116, 145, 178, 190, 290, 356, 380, 445, 475, 551, 580, 725, 890, 950, 1102, 1450, 1691, 1780, 1900, 2204, 2225, 2581, 2755, 2900, 3382, 4450, 5162, 5510, 6764, 8455, 8900, 10324, 11020, 12905, 13775, 16910, 25810, 27550, 33820, 42275, 49039, 51620, 55100, 64525, 84550, 98078, 129050, 169100, 196156, 245195, 258100, 490390, 980780, 1225975, 2451950, 4903900]

約数ペア:

[(1, 4903900), (2, 2451950), (4, 1225975), (5, 980780), (10, 490390), (19, 258100), (20, 245195), (25, 196156), (29, 169100), (38, 129050), (50, 98078), (58, 84550), (76, 64525), (89, 55100), (95, 51620), (100, 49039), (116, 42275), (145, 33820), (178, 27550), (190, 25810), (290, 16910), (356, 13775), (380, 12905), (445, 11020), (475, 10324), (551, 8900), (580, 8455), (725, 6764), (890, 5510), (950, 5162), (1102, 4450), (1450, 3382), (1691, 2900), (1780, 2755), (1900, 2581), (2204, 2225)]