199862480

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6959}}^1$

素因数の和:7331

約数の個数: 40

約数和(自身を含む): 466041600

約数和(自身を除く): 266179120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 6959, 7180, 13918, 14360, 27836, 28720, 34795, 55672, 69590, 111344, 139180, 278360, 556720, 2498281, 4996562, 9993124, 12491405, 19986248, 24982810, 39972496, 49965620, 99931240, 199862480]

約数ペア:

[(1, 199862480), (2, 99931240), (4, 49965620), (5, 39972496), (8, 24982810), (10, 19986248), (16, 12491405), (20, 9993124), (40, 4996562), (80, 2498281), (359, 556720), (718, 278360), (1436, 139180), (1795, 111344), (2872, 69590), (3590, 55672), (5744, 34795), (6959, 28720), (7180, 27836), (13918, 14360)]