8380490980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 18234720000

約数和(自身を除く): 9854229020

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 199, 236, 295, 356, 398, 401, 445, 590, 796, 802, 890, 995, 1180, 1604, 1780, 1990, 2005, 3980, 4010, 5251, 8020, 10502, 11741, 17711, 21004, 23482, 23659, 26255, 35422, 35689, 46964, 47318, 52510, 58705, 70844, 71378, 79799, 88555, 94636, 105020, 117410, 118295, 142756, 159598, 177110, 178445, 234820, 236590, 319196, 354220, 356890, 398995, 473180, 713780, 797990, 1044949, 1595980, 2089898, 2105651, 4179796, 4211302, 4708141, 5224745, 7102111, 8422604, 9416282, 10449490, 10528255, 14204222, 18832564, 20898980, 21056510, 23540705, 28408444, 35510555, 42113020, 47081410, 71021110, 94162820, 142042220, 419024549, 838049098, 1676098196, 2095122745, 4190245490, 8380490980]

約数ペア:

[(1, 8380490980), (2, 4190245490), (4, 2095122745), (5, 1676098196), (10, 838049098), (20, 419024549), (59, 142042220), (89, 94162820), (118, 71021110), (178, 47081410), (199, 42113020), (236, 35510555), (295, 28408444), (356, 23540705), (398, 21056510), (401, 20898980), (445, 18832564), (590, 14204222), (796, 10528255), (802, 10449490), (890, 9416282), (995, 8422604), (1180, 7102111), (1604, 5224745), (1780, 4708141), (1990, 4211302), (2005, 4179796), (3980, 2105651), (4010, 2089898), (5251, 1595980), (8020, 1044949), (10502, 797990), (11741, 713780), (17711, 473180), (21004, 398995), (23482, 356890), (23659, 354220), (26255, 319196), (35422, 236590), (35689, 234820), (46964, 178445), (47318, 177110), (52510, 159598), (58705, 142756), (70844, 118295), (71378, 117410), (79799, 105020), (88555, 94636)]