220856524

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 469045248

約数和(自身を除く): 248188724

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 163, 196, 217, 223, 326, 434, 446, 652, 868, 892, 1141, 1519, 1561, 2282, 3038, 3122, 4564, 5053, 6076, 6244, 6913, 7987, 10106, 10927, 13826, 15974, 20212, 21854, 27652, 31948, 35371, 36349, 43708, 48391, 70742, 72698, 96782, 141484, 145396, 193564, 247597, 254443, 338737, 495194, 508886, 677474, 990388, 1017772, 1126819, 1354948, 1781101, 2253638, 3562202, 4507276, 7124404, 7887733, 15775466, 31550932, 55214131, 110428262, 220856524]

約数ペア:

[(1, 220856524), (2, 110428262), (4, 55214131), (7, 31550932), (14, 15775466), (28, 7887733), (31, 7124404), (49, 4507276), (62, 3562202), (98, 2253638), (124, 1781101), (163, 1354948), (196, 1126819), (217, 1017772), (223, 990388), (326, 677474), (434, 508886), (446, 495194), (652, 338737), (868, 254443), (892, 247597), (1141, 193564), (1519, 145396), (1561, 141484), (2282, 96782), (3038, 72698), (3122, 70742), (4564, 48391), (5053, 43708), (6076, 36349), (6244, 35371), (6913, 31948), (7987, 27652), (10106, 21854), (10927, 20212), (13826, 15974)]