205945320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245173}}^1$

素因数の和:245194

約数の個数: 64

約数和(自身を含む): 706101120

約数和(自身を除く): 500155800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245173, 490346, 735519, 980692, 1225865, 1471038, 1716211, 1961384, 2451730, 2942076, 3432422, 3677595, 4903460, 5148633, 5884152, 6864844, 7355190, 8581055, 9806920, 10297266, 13729688, 14710380, 17162110, 20594532, 25743165, 29420760, 34324220, 41189064, 51486330, 68648440, 102972660, 205945320]

約数ペア:

[(1, 205945320), (2, 102972660), (3, 68648440), (4, 51486330), (5, 41189064), (6, 34324220), (7, 29420760), (8, 25743165), (10, 20594532), (12, 17162110), (14, 14710380), (15, 13729688), (20, 10297266), (21, 9806920), (24, 8581055), (28, 7355190), (30, 6864844), (35, 5884152), (40, 5148633), (42, 4903460), (56, 3677595), (60, 3432422), (70, 2942076), (84, 2451730), (105, 1961384), (120, 1716211), (140, 1471038), (168, 1225865), (210, 980692), (280, 735519), (420, 490346), (840, 245173)]