156930380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{877}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 345159360

約数和(自身を除く): 188228980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 389, 460, 778, 877, 1556, 1754, 1945, 3508, 3890, 4385, 7780, 8770, 8947, 17540, 17894, 20171, 35788, 40342, 44735, 80684, 89470, 100855, 178940, 201710, 341153, 403420, 682306, 1364612, 1705765, 3411530, 6823060, 7846519, 15693038, 31386076, 39232595, 78465190, 156930380]

約数ペア:

[(1, 156930380), (2, 78465190), (4, 39232595), (5, 31386076), (10, 15693038), (20, 7846519), (23, 6823060), (46, 3411530), (92, 1705765), (115, 1364612), (230, 682306), (389, 403420), (460, 341153), (778, 201710), (877, 178940), (1556, 100855), (1754, 89470), (1945, 80684), (3508, 44735), (3890, 40342), (4385, 35788), (7780, 20171), (8770, 17894), (8947, 17540)]