217000980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{172223}}^1$

素因数の和:172245

約数の個数: 72

約数和(自身を含む): 752274432

約数和(自身を除く): 535273452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 172223, 344446, 516669, 688892, 861115, 1033338, 1205561, 1550007, 1722230, 2066676, 2411122, 2583345, 3100014, 3444460, 3616683, 4822244, 5166690, 6027805, 6200028, 7233366, 7750035, 10333380, 10850049, 12055610, 14466732, 15500070, 18083415, 21700098, 24111220, 31000140, 36166830, 43400196, 54250245, 72333660, 108500490, 217000980]

約数ペア:

[(1, 217000980), (2, 108500490), (3, 72333660), (4, 54250245), (5, 43400196), (6, 36166830), (7, 31000140), (9, 24111220), (10, 21700098), (12, 18083415), (14, 15500070), (15, 14466732), (18, 12055610), (20, 10850049), (21, 10333380), (28, 7750035), (30, 7233366), (35, 6200028), (36, 6027805), (42, 5166690), (45, 4822244), (60, 3616683), (63, 3444460), (70, 3100014), (84, 2583345), (90, 2411122), (105, 2066676), (126, 1722230), (140, 1550007), (180, 1205561), (210, 1033338), (252, 861115), (315, 688892), (420, 516669), (630, 344446), (1260, 172223)]