30405978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 70387200

約数和(自身を除く): 39981222

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1798, 1879, 2697, 3758, 5394, 5637, 8091, 11274, 16182, 16911, 33822, 54491, 58249, 108982, 116498, 163473, 174747, 326946, 349494, 490419, 524241, 980838, 1048482, 1689221, 3378442, 5067663, 10135326, 15202989, 30405978]

約数ペア:

[(1, 30405978), (2, 15202989), (3, 10135326), (6, 5067663), (9, 3378442), (18, 1689221), (29, 1048482), (31, 980838), (58, 524241), (62, 490419), (87, 349494), (93, 326946), (174, 174747), (186, 163473), (261, 116498), (279, 108982), (522, 58249), (558, 54491), (899, 33822), (1798, 16911), (1879, 16182), (2697, 11274), (3758, 8091), (5394, 5637)]