212978430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{112687}}^1$

素因数の和:112710

約数の個数: 64

約数和(自身を含む): 649082880

約数和(自身を除く): 436104450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 112687, 225374, 338061, 563435, 676122, 788809, 1014183, 1126870, 1577618, 1690305, 2028366, 2366427, 3042549, 3380610, 3944045, 4732854, 5070915, 6085098, 7099281, 7888090, 10141830, 11832135, 14198562, 15212745, 21297843, 23664270, 30425490, 35496405, 42595686, 70992810, 106489215, 212978430]

約数ペア:

[(1, 212978430), (2, 106489215), (3, 70992810), (5, 42595686), (6, 35496405), (7, 30425490), (9, 23664270), (10, 21297843), (14, 15212745), (15, 14198562), (18, 11832135), (21, 10141830), (27, 7888090), (30, 7099281), (35, 6085098), (42, 5070915), (45, 4732854), (54, 3944045), (63, 3380610), (70, 3042549), (90, 2366427), (105, 2028366), (126, 1690305), (135, 1577618), (189, 1126870), (210, 1014183), (270, 788809), (315, 676122), (378, 563435), (630, 338061), (945, 225374), (1890, 112687)]