2511381990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{32359}}^1$

素因数の和:32581

約数の個数: 64

約数和(自身を含む): 6523776000

約数和(自身を除く): 4012394010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1194, 1990, 2587, 2985, 5174, 5970, 7761, 12935, 15522, 25870, 32359, 38805, 64718, 77610, 97077, 161795, 194154, 323590, 420667, 485385, 841334, 970770, 1262001, 2103335, 2524002, 4206670, 6310005, 6439441, 12620010, 12878882, 19318323, 32197205, 38636646, 64394410, 83712733, 96591615, 167425466, 193183230, 251138199, 418563665, 502276398, 837127330, 1255690995, 2511381990]

約数ペア:

[(1, 2511381990), (2, 1255690995), (3, 837127330), (5, 502276398), (6, 418563665), (10, 251138199), (13, 193183230), (15, 167425466), (26, 96591615), (30, 83712733), (39, 64394410), (65, 38636646), (78, 32197205), (130, 19318323), (195, 12878882), (199, 12620010), (390, 6439441), (398, 6310005), (597, 4206670), (995, 2524002), (1194, 2103335), (1990, 1262001), (2587, 970770), (2985, 841334), (5174, 485385), (5970, 420667), (7761, 323590), (12935, 194154), (15522, 161795), (25870, 97077), (32359, 77610), (38805, 64718)]