278268900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10193}}^1$

素因数の和:10230

約数の個数: 144

約数和(自身を含む): 991019904

約数和(自身を除く): 712751004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 9100, 10193, 13650, 20386, 27300, 30579, 40772, 50965, 61158, 71351, 101930, 122316, 132509, 142702, 152895, 203860, 214053, 254825, 265018, 285404, 305790, 356755, 397527, 428106, 509650, 530036, 611580, 662545, 713510, 764475, 795054, 856212, 927563, 1019300, 1070265, 1325090, 1427020, 1528950, 1590108, 1783775, 1855126, 1987635, 2140530, 2650180, 2782689, 3057900, 3312725, 3567550, 3710252, 3975270, 4281060, 4637815, 5351325, 5565378, 6625450, 7135100, 7950540, 9275630, 9938175, 10702650, 11130756, 13250900, 13913445, 18551260, 19876350, 21405300, 23189075, 27826890, 39752700, 46378150, 55653780, 69567225, 92756300, 139134450, 278268900]

約数ペア:

[(1, 278268900), (2, 139134450), (3, 92756300), (4, 69567225), (5, 55653780), (6, 46378150), (7, 39752700), (10, 27826890), (12, 23189075), (13, 21405300), (14, 19876350), (15, 18551260), (20, 13913445), (21, 13250900), (25, 11130756), (26, 10702650), (28, 9938175), (30, 9275630), (35, 7950540), (39, 7135100), (42, 6625450), (50, 5565378), (52, 5351325), (60, 4637815), (65, 4281060), (70, 3975270), (75, 3710252), (78, 3567550), (84, 3312725), (91, 3057900), (100, 2782689), (105, 2650180), (130, 2140530), (140, 1987635), (150, 1855126), (156, 1783775), (175, 1590108), (182, 1528950), (195, 1427020), (210, 1325090), (260, 1070265), (273, 1019300), (300, 927563), (325, 856212), (350, 795054), (364, 764475), (390, 713510), (420, 662545), (455, 611580), (525, 530036), (546, 509650), (650, 428106), (700, 397527), (780, 356755), (910, 305790), (975, 285404), (1050, 265018), (1092, 254825), (1300, 214053), (1365, 203860), (1820, 152895), (1950, 142702), (2100, 132509), (2275, 122316), (2730, 101930), (3900, 71351), (4550, 61158), (5460, 50965), (6825, 40772), (9100, 30579), (10193, 27300), (13650, 20386)]