128014780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 300303360

約数和(自身を除く): 172288580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 97, 115, 151, 190, 194, 230, 302, 380, 388, 437, 460, 485, 604, 755, 874, 970, 1510, 1748, 1843, 1940, 2185, 2231, 2869, 3020, 3473, 3686, 4370, 4462, 5738, 6946, 7372, 8740, 8924, 9215, 11155, 11476, 13892, 14345, 14647, 17365, 18430, 22310, 28690, 29294, 34730, 36860, 42389, 44620, 57380, 58588, 65987, 69460, 73235, 84778, 131974, 146470, 169556, 211945, 263948, 278293, 292940, 329935, 336881, 423890, 556586, 659870, 673762, 847780, 1113172, 1319740, 1347524, 1391465, 1684405, 2782930, 3368810, 5565860, 6400739, 6737620, 12801478, 25602956, 32003695, 64007390, 128014780]

約数ペア:

[(1, 128014780), (2, 64007390), (4, 32003695), (5, 25602956), (10, 12801478), (19, 6737620), (20, 6400739), (23, 5565860), (38, 3368810), (46, 2782930), (76, 1684405), (92, 1391465), (95, 1347524), (97, 1319740), (115, 1113172), (151, 847780), (190, 673762), (194, 659870), (230, 556586), (302, 423890), (380, 336881), (388, 329935), (437, 292940), (460, 278293), (485, 263948), (604, 211945), (755, 169556), (874, 146470), (970, 131974), (1510, 84778), (1748, 73235), (1843, 69460), (1940, 65987), (2185, 58588), (2231, 57380), (2869, 44620), (3020, 42389), (3473, 36860), (3686, 34730), (4370, 29294), (4462, 28690), (5738, 22310), (6946, 18430), (7372, 17365), (8740, 14647), (8924, 14345), (9215, 13892), (11155, 11476)]