1396460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3259872

約数和(自身を除く): 1863412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 131, 164, 205, 260, 262, 410, 524, 533, 655, 820, 1066, 1310, 1703, 2132, 2620, 2665, 3406, 5330, 5371, 6812, 8515, 10660, 10742, 17030, 21484, 26855, 34060, 53710, 69823, 107420, 139646, 279292, 349115, 698230, 1396460]

約数ペア:

[(1, 1396460), (2, 698230), (4, 349115), (5, 279292), (10, 139646), (13, 107420), (20, 69823), (26, 53710), (41, 34060), (52, 26855), (65, 21484), (82, 17030), (130, 10742), (131, 10660), (164, 8515), (205, 6812), (260, 5371), (262, 5330), (410, 3406), (524, 2665), (533, 2620), (655, 2132), (820, 1703), (1066, 1310)]