212852380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4523}}^1$

素因数の和:4726

約数の個数: 48

約数和(自身を含む): 484140384

約数和(自身を除く): 271288004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4523, 4706, 9046, 9412, 11765, 18092, 22615, 23530, 45230, 47060, 58799, 90460, 117598, 235196, 293995, 587990, 818663, 1175980, 1637326, 3274652, 4093315, 8186630, 10642619, 16373260, 21285238, 42570476, 53213095, 106426190, 212852380]

約数ペア:

[(1, 212852380), (2, 106426190), (4, 53213095), (5, 42570476), (10, 21285238), (13, 16373260), (20, 10642619), (26, 8186630), (52, 4093315), (65, 3274652), (130, 1637326), (181, 1175980), (260, 818663), (362, 587990), (724, 293995), (905, 235196), (1810, 117598), (2353, 90460), (3620, 58799), (4523, 47060), (4706, 45230), (9046, 23530), (9412, 22615), (11765, 18092)]