30877990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 66591504

約数和(自身を除く): 35713514

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 151, 169, 242, 286, 302, 338, 605, 715, 755, 845, 1210, 1430, 1510, 1573, 1661, 1690, 1859, 1963, 3146, 3322, 3718, 3926, 7865, 8305, 9295, 9815, 15730, 16610, 18271, 18590, 19630, 20449, 21593, 25519, 36542, 40898, 43186, 51038, 91355, 102245, 107965, 127595, 182710, 204490, 215930, 237523, 255190, 280709, 475046, 561418, 1187615, 1403545, 2375230, 2807090, 3087799, 6175598, 15438995, 30877990]

約数ペア:

[(1, 30877990), (2, 15438995), (5, 6175598), (10, 3087799), (11, 2807090), (13, 2375230), (22, 1403545), (26, 1187615), (55, 561418), (65, 475046), (110, 280709), (121, 255190), (130, 237523), (143, 215930), (151, 204490), (169, 182710), (242, 127595), (286, 107965), (302, 102245), (338, 91355), (605, 51038), (715, 43186), (755, 40898), (845, 36542), (1210, 25519), (1430, 21593), (1510, 20449), (1573, 19630), (1661, 18590), (1690, 18271), (1859, 16610), (1963, 15730), (3146, 9815), (3322, 9295), (3718, 8305), (3926, 7865)]