84906040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 196156800

約数和(自身を除く): 111250760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 97, 158, 194, 277, 316, 388, 395, 485, 554, 632, 776, 790, 970, 1108, 1385, 1580, 1940, 2216, 2770, 3160, 3880, 5540, 7663, 11080, 15326, 21883, 26869, 30652, 38315, 43766, 53738, 61304, 76630, 87532, 107476, 109415, 134345, 153260, 175064, 214952, 218830, 268690, 306520, 437660, 537380, 875320, 1074760, 2122651, 4245302, 8490604, 10613255, 16981208, 21226510, 42453020, 84906040]

約数ペア:

[(1, 84906040), (2, 42453020), (4, 21226510), (5, 16981208), (8, 10613255), (10, 8490604), (20, 4245302), (40, 2122651), (79, 1074760), (97, 875320), (158, 537380), (194, 437660), (277, 306520), (316, 268690), (388, 218830), (395, 214952), (485, 175064), (554, 153260), (632, 134345), (776, 109415), (790, 107476), (970, 87532), (1108, 76630), (1385, 61304), (1580, 53738), (1940, 43766), (2216, 38315), (2770, 30652), (3160, 26869), (3880, 21883), (5540, 15326), (7663, 11080)]