31867420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 76247136

約数和(自身を除く): 44379716

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 73, 92, 115, 130, 146, 230, 260, 292, 299, 365, 460, 598, 730, 949, 1196, 1460, 1495, 1679, 1898, 2990, 3358, 3796, 4745, 5329, 5980, 6716, 8395, 9490, 10658, 16790, 18980, 21316, 21827, 26645, 33580, 43654, 53290, 69277, 87308, 106580, 109135, 122567, 138554, 218270, 245134, 277108, 346385, 436540, 490268, 612835, 692770, 1225670, 1385540, 1593371, 2451340, 3186742, 6373484, 7966855, 15933710, 31867420]

約数ペア:

[(1, 31867420), (2, 15933710), (4, 7966855), (5, 6373484), (10, 3186742), (13, 2451340), (20, 1593371), (23, 1385540), (26, 1225670), (46, 692770), (52, 612835), (65, 490268), (73, 436540), (92, 346385), (115, 277108), (130, 245134), (146, 218270), (230, 138554), (260, 122567), (292, 109135), (299, 106580), (365, 87308), (460, 69277), (598, 53290), (730, 43654), (949, 33580), (1196, 26645), (1460, 21827), (1495, 21316), (1679, 18980), (1898, 16790), (2990, 10658), (3358, 9490), (3796, 8395), (4745, 6716), (5329, 5980)]