890656380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{48991}}^1$

素因数の和:49107

約数の個数: 72

約数和(自身を含む): 2728462464

約数和(自身を除く): 1837806084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180, 48991, 97982, 146973, 195964, 244955, 293946, 440919, 489910, 587892, 734865, 881838, 979820, 1469730, 1763676, 2204595, 2939460, 4409190, 4948091, 8818380, 9896182, 14844273, 19792364, 24740455, 29688546, 44532819, 49480910, 59377092, 74221365, 89065638, 98961820, 148442730, 178131276, 222664095, 296885460, 445328190, 890656380]

約数ペア:

[(1, 890656380), (2, 445328190), (3, 296885460), (4, 222664095), (5, 178131276), (6, 148442730), (9, 98961820), (10, 89065638), (12, 74221365), (15, 59377092), (18, 49480910), (20, 44532819), (30, 29688546), (36, 24740455), (45, 19792364), (60, 14844273), (90, 9896182), (101, 8818380), (180, 4948091), (202, 4409190), (303, 2939460), (404, 2204595), (505, 1763676), (606, 1469730), (909, 979820), (1010, 881838), (1212, 734865), (1515, 587892), (1818, 489910), (2020, 440919), (3030, 293946), (3636, 244955), (4545, 195964), (6060, 146973), (9090, 97982), (18180, 48991)]