980788820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1373}}^1$

素因数の和:1601

約数の個数: 96

約数和(自身を含む): 2393266176

約数和(自身を除く): 1412477356

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 191, 220, 340, 374, 382, 748, 764, 935, 955, 1373, 1870, 1910, 2101, 2746, 3247, 3740, 3820, 4202, 5492, 6494, 6865, 8404, 10505, 12988, 13730, 15103, 16235, 21010, 23341, 27460, 30206, 32470, 35717, 42020, 46682, 60412, 64940, 71434, 75515, 93364, 116705, 142868, 151030, 178585, 233410, 256751, 262243, 302060, 357170, 466820, 513502, 524486, 714340, 1027004, 1048972, 1283755, 1311215, 2567510, 2622430, 2884673, 4458131, 5135020, 5244860, 5769346, 8916262, 11538692, 14423365, 17832524, 22290655, 28846730, 44581310, 49039441, 57693460, 89162620, 98078882, 196157764, 245197205, 490394410, 980788820]

約数ペア:

[(1, 980788820), (2, 490394410), (4, 245197205), (5, 196157764), (10, 98078882), (11, 89162620), (17, 57693460), (20, 49039441), (22, 44581310), (34, 28846730), (44, 22290655), (55, 17832524), (68, 14423365), (85, 11538692), (110, 8916262), (170, 5769346), (187, 5244860), (191, 5135020), (220, 4458131), (340, 2884673), (374, 2622430), (382, 2567510), (748, 1311215), (764, 1283755), (935, 1048972), (955, 1027004), (1373, 714340), (1870, 524486), (1910, 513502), (2101, 466820), (2746, 357170), (3247, 302060), (3740, 262243), (3820, 256751), (4202, 233410), (5492, 178585), (6494, 151030), (6865, 142868), (8404, 116705), (10505, 93364), (12988, 75515), (13730, 71434), (15103, 64940), (16235, 60412), (21010, 46682), (23341, 42020), (27460, 35717), (30206, 32470)]