29828120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 47344360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 347, 614, 694, 1228, 1388, 1535, 1735, 2149, 2429, 2456, 2776, 3070, 3470, 4298, 4858, 6140, 6940, 8596, 9716, 10745, 12145, 12280, 13880, 17192, 19432, 21490, 24290, 42980, 48580, 85960, 97160, 106529, 213058, 426116, 532645, 745703, 852232, 1065290, 1491406, 2130580, 2982812, 3728515, 4261160, 5965624, 7457030, 14914060, 29828120]

約数ペア:

[(1, 29828120), (2, 14914060), (4, 7457030), (5, 5965624), (7, 4261160), (8, 3728515), (10, 2982812), (14, 2130580), (20, 1491406), (28, 1065290), (35, 852232), (40, 745703), (56, 532645), (70, 426116), (140, 213058), (280, 106529), (307, 97160), (347, 85960), (614, 48580), (694, 42980), (1228, 24290), (1388, 21490), (1535, 19432), (1735, 17192), (2149, 13880), (2429, 12280), (2456, 12145), (2776, 10745), (3070, 9716), (3470, 8596), (4298, 6940), (4858, 6140)]