172074890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 343429632

約数和(自身を除く): 171354742

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 103, 130, 142, 181, 206, 355, 362, 515, 710, 905, 923, 1030, 1339, 1810, 1846, 2353, 2678, 4615, 4706, 6695, 7313, 9230, 11765, 12851, 13390, 14626, 18643, 23530, 25702, 36565, 37286, 64255, 73130, 93215, 95069, 128510, 167063, 186430, 190138, 242359, 334126, 475345, 484718, 835315, 950690, 1211795, 1323653, 1670630, 2423590, 2647306, 6618265, 13236530, 17207489, 34414978, 86037445, 172074890]

約数ペア:

[(1, 172074890), (2, 86037445), (5, 34414978), (10, 17207489), (13, 13236530), (26, 6618265), (65, 2647306), (71, 2423590), (103, 1670630), (130, 1323653), (142, 1211795), (181, 950690), (206, 835315), (355, 484718), (362, 475345), (515, 334126), (710, 242359), (905, 190138), (923, 186430), (1030, 167063), (1339, 128510), (1810, 95069), (1846, 93215), (2353, 73130), (2678, 64255), (4615, 37286), (4706, 36565), (6695, 25702), (7313, 23530), (9230, 18643), (11765, 14626), (12851, 13390)]