420040452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{86857}}^1$

素因数の和:86908

約数の個数: 48

約数和(自身を含む): 1089546752

約数和(自身を除く): 669506300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 86857, 173714, 260571, 347428, 521142, 1042284, 1129141, 2258282, 2692567, 3387423, 4516564, 5385134, 6774846, 8077701, 10770268, 13549692, 16155402, 32310804, 35003371, 70006742, 105010113, 140013484, 210020226, 420040452]

約数ペア:

[(1, 420040452), (2, 210020226), (3, 140013484), (4, 105010113), (6, 70006742), (12, 35003371), (13, 32310804), (26, 16155402), (31, 13549692), (39, 10770268), (52, 8077701), (62, 6774846), (78, 5385134), (93, 4516564), (124, 3387423), (156, 2692567), (186, 2258282), (372, 1129141), (403, 1042284), (806, 521142), (1209, 347428), (1612, 260571), (2418, 173714), (4836, 86857)]