391657980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19031}}^1$

素因数の和:19064

約数の個数: 96

約数和(自身を含む): 1278950400

約数和(自身を除く): 887292420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 10290, 19031, 20580, 38062, 57093, 76124, 95155, 114186, 133217, 190310, 228372, 266434, 285465, 380620, 399651, 532868, 570930, 666085, 799302, 932519, 1141860, 1332170, 1598604, 1865038, 1998255, 2664340, 2797557, 3730076, 3996510, 4662595, 5595114, 6527633, 7993020, 9325190, 11190228, 13055266, 13987785, 18650380, 19582899, 26110532, 27975570, 32638165, 39165798, 55951140, 65276330, 78331596, 97914495, 130552660, 195828990, 391657980]

約数ペア:

[(1, 391657980), (2, 195828990), (3, 130552660), (4, 97914495), (5, 78331596), (6, 65276330), (7, 55951140), (10, 39165798), (12, 32638165), (14, 27975570), (15, 26110532), (20, 19582899), (21, 18650380), (28, 13987785), (30, 13055266), (35, 11190228), (42, 9325190), (49, 7993020), (60, 6527633), (70, 5595114), (84, 4662595), (98, 3996510), (105, 3730076), (140, 2797557), (147, 2664340), (196, 1998255), (210, 1865038), (245, 1598604), (294, 1332170), (343, 1141860), (420, 932519), (490, 799302), (588, 666085), (686, 570930), (735, 532868), (980, 399651), (1029, 380620), (1372, 285465), (1470, 266434), (1715, 228372), (2058, 190310), (2940, 133217), (3430, 114186), (4116, 95155), (5145, 76124), (6860, 57093), (10290, 38062), (19031, 20580)]