209396460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38351}}^1$

素因数の和:38383

約数の個数: 96

約数和(自身を含む): 721631232

約数和(自身を除く): 512234772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 38351, 76702, 115053, 153404, 191755, 230106, 268457, 383510, 460212, 498563, 536914, 575265, 767020, 805371, 997126, 1073828, 1150530, 1342285, 1495689, 1610742, 1994252, 2301060, 2492815, 2684570, 2991378, 3221484, 3489941, 4026855, 4985630, 5369140, 5982756, 6979882, 7478445, 8053710, 9971260, 10469823, 13959764, 14956890, 16107420, 17449705, 20939646, 29913780, 34899410, 41879292, 52349115, 69798820, 104698230, 209396460]

約数ペア:

[(1, 209396460), (2, 104698230), (3, 69798820), (4, 52349115), (5, 41879292), (6, 34899410), (7, 29913780), (10, 20939646), (12, 17449705), (13, 16107420), (14, 14956890), (15, 13959764), (20, 10469823), (21, 9971260), (26, 8053710), (28, 7478445), (30, 6979882), (35, 5982756), (39, 5369140), (42, 4985630), (52, 4026855), (60, 3489941), (65, 3221484), (70, 2991378), (78, 2684570), (84, 2492815), (91, 2301060), (105, 1994252), (130, 1610742), (140, 1495689), (156, 1342285), (182, 1150530), (195, 1073828), (210, 997126), (260, 805371), (273, 767020), (364, 575265), (390, 536914), (420, 498563), (455, 460212), (546, 383510), (780, 268457), (910, 230106), (1092, 191755), (1365, 153404), (1820, 115053), (2730, 76702), (5460, 38351)]