157152020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5393}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 347977728

約数和(自身を除く): 190825708

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5393, 5828, 7285, 10786, 14570, 21572, 26965, 29140, 53930, 107860, 167183, 253471, 334366, 506942, 668732, 835915, 1013884, 1267355, 1671830, 2534710, 3343660, 5069420, 7857601, 15715202, 31430404, 39288005, 78576010, 157152020]

約数ペア:

[(1, 157152020), (2, 78576010), (4, 39288005), (5, 31430404), (10, 15715202), (20, 7857601), (31, 5069420), (47, 3343660), (62, 2534710), (94, 1671830), (124, 1267355), (155, 1013884), (188, 835915), (235, 668732), (310, 506942), (470, 334366), (620, 253471), (940, 167183), (1457, 107860), (2914, 53930), (5393, 29140), (5828, 26965), (7285, 21572), (10786, 14570)]