72562900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 167454560

約数和(自身を除く): 94891660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 181, 190, 211, 362, 380, 422, 475, 724, 844, 905, 950, 1055, 1810, 1900, 2110, 3439, 3620, 4009, 4220, 4525, 5275, 6878, 8018, 9050, 10550, 13756, 16036, 17195, 18100, 20045, 21100, 34390, 38191, 40090, 68780, 76382, 80180, 85975, 100225, 152764, 171950, 190955, 200450, 343900, 381910, 400900, 725629, 763820, 954775, 1451258, 1909550, 2902516, 3628145, 3819100, 7256290, 14512580, 18140725, 36281450, 72562900]

約数ペア:

[(1, 72562900), (2, 36281450), (4, 18140725), (5, 14512580), (10, 7256290), (19, 3819100), (20, 3628145), (25, 2902516), (38, 1909550), (50, 1451258), (76, 954775), (95, 763820), (100, 725629), (181, 400900), (190, 381910), (211, 343900), (362, 200450), (380, 190955), (422, 171950), (475, 152764), (724, 100225), (844, 85975), (905, 80180), (950, 76382), (1055, 68780), (1810, 40090), (1900, 38191), (2110, 34390), (3439, 21100), (3620, 20045), (4009, 18100), (4220, 17195), (4525, 16036), (5275, 13756), (6878, 10550), (8018, 9050)]