201021770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 397135872

約数和(自身を除く): 196114102

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 151, 170, 191, 205, 302, 382, 410, 697, 755, 955, 1394, 1510, 1910, 2567, 3247, 3485, 5134, 6191, 6494, 6970, 7831, 12382, 12835, 15662, 16235, 25670, 28841, 30955, 32470, 39155, 57682, 61910, 78310, 105247, 133127, 144205, 210494, 266254, 288410, 490297, 526235, 665635, 980594, 1052470, 1182481, 1331270, 2364962, 2451485, 4902970, 5912405, 11824810, 20102177, 40204354, 100510885, 201021770]

約数ペア:

[(1, 201021770), (2, 100510885), (5, 40204354), (10, 20102177), (17, 11824810), (34, 5912405), (41, 4902970), (82, 2451485), (85, 2364962), (151, 1331270), (170, 1182481), (191, 1052470), (205, 980594), (302, 665635), (382, 526235), (410, 490297), (697, 288410), (755, 266254), (955, 210494), (1394, 144205), (1510, 133127), (1910, 105247), (2567, 78310), (3247, 61910), (3485, 57682), (5134, 39155), (6191, 32470), (6494, 30955), (6970, 28841), (7831, 25670), (12382, 16235), (12835, 15662)]