439702940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 1001011200

約数和(自身を除く): 561308260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 97, 151, 158, 190, 194, 302, 316, 380, 388, 395, 485, 604, 755, 790, 970, 1501, 1510, 1580, 1843, 1940, 2869, 3002, 3020, 3686, 5738, 6004, 7372, 7505, 7663, 9215, 11476, 11929, 14345, 14647, 15010, 15326, 18430, 23858, 28690, 29294, 30020, 30652, 36860, 38315, 47716, 57380, 58588, 59645, 73235, 76630, 119290, 145597, 146470, 153260, 226651, 238580, 278293, 291194, 292940, 453302, 556586, 582388, 727985, 906604, 1113172, 1133255, 1157113, 1391465, 1455970, 2266510, 2314226, 2782930, 2911940, 4533020, 4628452, 5565860, 5785565, 11571130, 21985147, 23142260, 43970294, 87940588, 109925735, 219851470, 439702940]

約数ペア:

[(1, 439702940), (2, 219851470), (4, 109925735), (5, 87940588), (10, 43970294), (19, 23142260), (20, 21985147), (38, 11571130), (76, 5785565), (79, 5565860), (95, 4628452), (97, 4533020), (151, 2911940), (158, 2782930), (190, 2314226), (194, 2266510), (302, 1455970), (316, 1391465), (380, 1157113), (388, 1133255), (395, 1113172), (485, 906604), (604, 727985), (755, 582388), (790, 556586), (970, 453302), (1501, 292940), (1510, 291194), (1580, 278293), (1843, 238580), (1940, 226651), (2869, 153260), (3002, 146470), (3020, 145597), (3686, 119290), (5738, 76630), (6004, 73235), (7372, 59645), (7505, 58588), (7663, 57380), (9215, 47716), (11476, 38315), (11929, 36860), (14345, 30652), (14647, 30020), (15010, 29294), (15326, 28690), (18430, 23858)]