22419100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 53902800

約数和(自身を除く): 31483700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 229, 275, 356, 445, 458, 550, 890, 916, 979, 1100, 1145, 1780, 1958, 2225, 2290, 2519, 3916, 4450, 4580, 4895, 5038, 5725, 8900, 9790, 10076, 11450, 12595, 19580, 20381, 22900, 24475, 25190, 40762, 48950, 50380, 62975, 81524, 97900, 101905, 125950, 203810, 224191, 251900, 407620, 448382, 509525, 896764, 1019050, 1120955, 2038100, 2241910, 4483820, 5604775, 11209550, 22419100]

約数ペア:

[(1, 22419100), (2, 11209550), (4, 5604775), (5, 4483820), (10, 2241910), (11, 2038100), (20, 1120955), (22, 1019050), (25, 896764), (44, 509525), (50, 448382), (55, 407620), (89, 251900), (100, 224191), (110, 203810), (178, 125950), (220, 101905), (229, 97900), (275, 81524), (356, 62975), (445, 50380), (458, 48950), (550, 40762), (890, 25190), (916, 24475), (979, 22900), (1100, 20381), (1145, 19580), (1780, 12595), (1958, 11450), (2225, 10076), (2290, 9790), (2519, 8900), (3916, 5725), (4450, 5038), (4580, 4895)]