178512980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 414892800

約数和(自身を除く): 236379820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 97, 116, 145, 167, 190, 194, 290, 334, 380, 388, 485, 551, 580, 668, 835, 970, 1102, 1670, 1843, 1940, 2204, 2755, 2813, 3173, 3340, 3686, 4843, 5510, 5626, 6346, 7372, 9215, 9686, 11020, 11252, 12692, 14065, 15865, 16199, 18430, 19372, 24215, 28130, 31730, 32398, 36860, 48430, 53447, 56260, 63460, 64796, 80995, 92017, 96860, 106894, 161990, 184034, 213788, 267235, 307781, 323980, 368068, 460085, 469771, 534470, 615562, 920170, 939542, 1068940, 1231124, 1538905, 1840340, 1879084, 2348855, 3077810, 4697710, 6155620, 8925649, 9395420, 17851298, 35702596, 44628245, 89256490, 178512980]

約数ペア:

[(1, 178512980), (2, 89256490), (4, 44628245), (5, 35702596), (10, 17851298), (19, 9395420), (20, 8925649), (29, 6155620), (38, 4697710), (58, 3077810), (76, 2348855), (95, 1879084), (97, 1840340), (116, 1538905), (145, 1231124), (167, 1068940), (190, 939542), (194, 920170), (290, 615562), (334, 534470), (380, 469771), (388, 460085), (485, 368068), (551, 323980), (580, 307781), (668, 267235), (835, 213788), (970, 184034), (1102, 161990), (1670, 106894), (1843, 96860), (1940, 92017), (2204, 80995), (2755, 64796), (2813, 63460), (3173, 56260), (3340, 53447), (3686, 48430), (4843, 36860), (5510, 32398), (5626, 31730), (6346, 28130), (7372, 24215), (9215, 19372), (9686, 18430), (11020, 16199), (11252, 15865), (12692, 14065)]