120781220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{14143}}^1$

素因数の和:14220

約数の個数: 48

約数和(自身を含む): 294647808

約数和(自身を除く): 173866588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 14143, 28286, 56572, 70715, 99001, 141430, 198002, 282860, 396004, 495005, 862723, 990010, 1725446, 1980020, 3450892, 4313615, 6039061, 8627230, 12078122, 17254460, 24156244, 30195305, 60390610, 120781220]

約数ペア:

[(1, 120781220), (2, 60390610), (4, 30195305), (5, 24156244), (7, 17254460), (10, 12078122), (14, 8627230), (20, 6039061), (28, 4313615), (35, 3450892), (61, 1980020), (70, 1725446), (122, 990010), (140, 862723), (244, 495005), (305, 396004), (427, 282860), (610, 198002), (854, 141430), (1220, 99001), (1708, 70715), (2135, 56572), (4270, 28286), (8540, 14143)]