402176140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{3853}}^1$

素因数の和:4186

約数の個数: 48

約数和(自身を含む): 897396192

約数和(自身を除く): 495220052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 307, 340, 614, 1228, 1535, 3070, 3853, 5219, 6140, 7706, 10438, 15412, 19265, 20876, 26095, 38530, 52190, 65501, 77060, 104380, 131002, 262004, 327505, 655010, 1182871, 1310020, 2365742, 4731484, 5914355, 11828710, 20108807, 23657420, 40217614, 80435228, 100544035, 201088070, 402176140]

約数ペア:

[(1, 402176140), (2, 201088070), (4, 100544035), (5, 80435228), (10, 40217614), (17, 23657420), (20, 20108807), (34, 11828710), (68, 5914355), (85, 4731484), (170, 2365742), (307, 1310020), (340, 1182871), (614, 655010), (1228, 327505), (1535, 262004), (3070, 131002), (3853, 104380), (5219, 77060), (6140, 65501), (7706, 52190), (10438, 38530), (15412, 26095), (19265, 20876)]