289306780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 715478400

約数和(自身を除く): 426171620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 233, 245, 343, 362, 466, 490, 686, 724, 905, 932, 980, 1165, 1267, 1372, 1631, 1715, 1810, 2330, 2534, 3262, 3430, 3620, 4660, 5068, 6335, 6524, 6860, 8155, 8869, 11417, 12670, 16310, 17738, 22834, 25340, 32620, 35476, 42173, 44345, 45668, 57085, 62083, 79919, 84346, 88690, 114170, 124166, 159838, 168692, 177380, 210865, 228340, 248332, 295211, 310415, 319676, 399595, 421730, 590422, 620830, 799190, 843460, 1180844, 1241660, 1476055, 1598380, 2066477, 2952110, 4132954, 5904220, 8265908, 10332385, 14465339, 20664770, 28930678, 41329540, 57861356, 72326695, 144653390, 289306780]

約数ペア:

[(1, 289306780), (2, 144653390), (4, 72326695), (5, 57861356), (7, 41329540), (10, 28930678), (14, 20664770), (20, 14465339), (28, 10332385), (35, 8265908), (49, 5904220), (70, 4132954), (98, 2952110), (140, 2066477), (181, 1598380), (196, 1476055), (233, 1241660), (245, 1180844), (343, 843460), (362, 799190), (466, 620830), (490, 590422), (686, 421730), (724, 399595), (905, 319676), (932, 310415), (980, 295211), (1165, 248332), (1267, 228340), (1372, 210865), (1631, 177380), (1715, 168692), (1810, 159838), (2330, 124166), (2534, 114170), (3262, 88690), (3430, 84346), (3620, 79919), (4660, 62083), (5068, 57085), (6335, 45668), (6524, 44345), (6860, 42173), (8155, 35476), (8869, 32620), (11417, 25340), (12670, 22834), (16310, 17738)]