287705460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97859}}^1$

素因数の和:97885

約数の個数: 72

約数和(自身を含む): 937107360

約数和(自身を除く): 649401900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 97859, 195718, 293577, 391436, 489295, 587154, 685013, 978590, 1174308, 1370026, 1467885, 1957180, 2055039, 2740052, 2935770, 3425065, 4110078, 4795091, 5871540, 6850130, 8220156, 9590182, 10275195, 13700260, 14385273, 19180364, 20550390, 23975455, 28770546, 41100780, 47950910, 57541092, 71926365, 95901820, 143852730, 287705460]

約数ペア:

[(1, 287705460), (2, 143852730), (3, 95901820), (4, 71926365), (5, 57541092), (6, 47950910), (7, 41100780), (10, 28770546), (12, 23975455), (14, 20550390), (15, 19180364), (20, 14385273), (21, 13700260), (28, 10275195), (30, 9590182), (35, 8220156), (42, 6850130), (49, 5871540), (60, 4795091), (70, 4110078), (84, 3425065), (98, 2935770), (105, 2740052), (140, 2055039), (147, 1957180), (196, 1467885), (210, 1370026), (245, 1174308), (294, 978590), (420, 685013), (490, 587154), (588, 489295), (735, 391436), (980, 293577), (1470, 195718), (2940, 97859)]