30787484

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 69311088

約数和(自身を除く): 38523604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 281, 301, 364, 559, 562, 602, 637, 1118, 1124, 1204, 1274, 1967, 2107, 2236, 2548, 3653, 3913, 3934, 4214, 7306, 7826, 7868, 8428, 12083, 13769, 14612, 15652, 24166, 25571, 27391, 27538, 48332, 51142, 54782, 55076, 84581, 102284, 109564, 157079, 169162, 178997, 314158, 338324, 357994, 592067, 628316, 715988, 1099553, 1184134, 2199106, 2368268, 4398212, 7696871, 15393742, 30787484]

約数ペア:

[(1, 30787484), (2, 15393742), (4, 7696871), (7, 4398212), (13, 2368268), (14, 2199106), (26, 1184134), (28, 1099553), (43, 715988), (49, 628316), (52, 592067), (86, 357994), (91, 338324), (98, 314158), (172, 178997), (182, 169162), (196, 157079), (281, 109564), (301, 102284), (364, 84581), (559, 55076), (562, 54782), (602, 51142), (637, 48332), (1118, 27538), (1124, 27391), (1204, 25571), (1274, 24166), (1967, 15652), (2107, 14612), (2236, 13769), (2548, 12083), (3653, 8428), (3913, 7868), (3934, 7826), (4214, 7306)]