29820340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 69128640

約数和(自身を除く): 39308300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1523, 1780, 1958, 3046, 3916, 4895, 6092, 7615, 9790, 15230, 16753, 19580, 30460, 33506, 67012, 83765, 135547, 167530, 271094, 335060, 542188, 677735, 1355470, 1491017, 2710940, 2982034, 5964068, 7455085, 14910170, 29820340]

約数ペア:

[(1, 29820340), (2, 14910170), (4, 7455085), (5, 5964068), (10, 2982034), (11, 2710940), (20, 1491017), (22, 1355470), (44, 677735), (55, 542188), (89, 335060), (110, 271094), (178, 167530), (220, 135547), (356, 83765), (445, 67012), (890, 33506), (979, 30460), (1523, 19580), (1780, 16753), (1958, 15230), (3046, 9790), (3916, 7615), (4895, 6092)]