221368980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{527069}}^1$

素因数の和:527088

約数の個数: 48

約数和(自身を含む): 708382080

約数和(自身を除く): 487013100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 527069, 1054138, 1581207, 2108276, 2635345, 3162414, 3689483, 5270690, 6324828, 7378966, 7906035, 10541380, 11068449, 14757932, 15812070, 18447415, 22136898, 31624140, 36894830, 44273796, 55342245, 73789660, 110684490, 221368980]

約数ペア:

[(1, 221368980), (2, 110684490), (3, 73789660), (4, 55342245), (5, 44273796), (6, 36894830), (7, 31624140), (10, 22136898), (12, 18447415), (14, 15812070), (15, 14757932), (20, 11068449), (21, 10541380), (28, 7906035), (30, 7378966), (35, 6324828), (42, 5270690), (60, 3689483), (70, 3162414), (84, 2635345), (105, 2108276), (140, 1581207), (210, 1054138), (420, 527069)]