2543450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 5990688

約数和(自身を除く): 3447238

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 43, 50, 65, 70, 86, 91, 130, 169, 175, 182, 215, 301, 325, 338, 350, 430, 455, 559, 602, 650, 845, 910, 1075, 1118, 1183, 1505, 1690, 2150, 2275, 2366, 2795, 3010, 3913, 4225, 4550, 5590, 5915, 7267, 7525, 7826, 8450, 11830, 13975, 14534, 15050, 19565, 27950, 29575, 36335, 39130, 50869, 59150, 72670, 97825, 101738, 181675, 195650, 254345, 363350, 508690, 1271725, 2543450]

約数ペア:

[(1, 2543450), (2, 1271725), (5, 508690), (7, 363350), (10, 254345), (13, 195650), (14, 181675), (25, 101738), (26, 97825), (35, 72670), (43, 59150), (50, 50869), (65, 39130), (70, 36335), (86, 29575), (91, 27950), (130, 19565), (169, 15050), (175, 14534), (182, 13975), (215, 11830), (301, 8450), (325, 7826), (338, 7525), (350, 7267), (430, 5915), (455, 5590), (559, 4550), (602, 4225), (650, 3913), (845, 3010), (910, 2795), (1075, 2366), (1118, 2275), (1183, 2150), (1505, 1690)]