84851720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 118361080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1151, 1843, 1940, 2302, 3686, 3880, 4604, 5755, 7372, 9208, 9215, 11510, 14744, 18430, 21869, 23020, 36860, 43738, 46040, 73720, 87476, 109345, 111647, 174952, 218690, 223294, 437380, 446588, 558235, 874760, 893176, 1116470, 2121293, 2232940, 4242586, 4465880, 8485172, 10606465, 16970344, 21212930, 42425860, 84851720]

約数ペア:

[(1, 84851720), (2, 42425860), (4, 21212930), (5, 16970344), (8, 10606465), (10, 8485172), (19, 4465880), (20, 4242586), (38, 2232940), (40, 2121293), (76, 1116470), (95, 893176), (97, 874760), (152, 558235), (190, 446588), (194, 437380), (380, 223294), (388, 218690), (485, 174952), (760, 111647), (776, 109345), (970, 87476), (1151, 73720), (1843, 46040), (1940, 43738), (2302, 36860), (3686, 23020), (3880, 21869), (4604, 18430), (5755, 14744), (7372, 11510), (9208, 9215)]