390975000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 1318978080

約数和(自身を除く): 928003080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 401, 500, 520, 600, 625, 650, 750, 780, 802, 975, 1000, 1203, 1250, 1300, 1500, 1560, 1604, 1625, 1875, 1950, 2005, 2406, 2500, 2600, 3000, 3125, 3208, 3250, 3750, 3900, 4010, 4812, 4875, 5000, 5213, 6015, 6250, 6500, 7500, 7800, 8020, 8125, 9375, 9624, 9750, 10025, 10426, 12030, 12500, 13000, 15000, 15639, 16040, 16250, 18750, 19500, 20050, 20852, 24060, 24375, 25000, 26065, 30075, 31278, 32500, 37500, 39000, 40100, 40625, 41704, 48120, 48750, 50125, 52130, 60150, 62556, 65000, 75000, 78195, 80200, 81250, 97500, 100250, 104260, 120300, 121875, 125112, 130325, 150375, 156390, 162500, 195000, 200500, 208520, 240600, 243750, 250625, 260650, 300750, 312780, 325000, 390975, 401000, 487500, 501250, 521300, 601500, 625560, 651625, 751875, 781950, 975000, 1002500, 1042600, 1203000, 1253125, 1303250, 1503750, 1563900, 1954875, 2005000, 2506250, 2606500, 3007500, 3127800, 3258125, 3759375, 3909750, 5012500, 5213000, 6015000, 6516250, 7518750, 7819500, 9774375, 10025000, 13032500, 15037500, 15639000, 16290625, 19548750, 26065000, 30075000, 32581250, 39097500, 48871875, 65162500, 78195000, 97743750, 130325000, 195487500, 390975000]

約数ペア:

[(1, 390975000), (2, 195487500), (3, 130325000), (4, 97743750), (5, 78195000), (6, 65162500), (8, 48871875), (10, 39097500), (12, 32581250), (13, 30075000), (15, 26065000), (20, 19548750), (24, 16290625), (25, 15639000), (26, 15037500), (30, 13032500), (39, 10025000), (40, 9774375), (50, 7819500), (52, 7518750), (60, 6516250), (65, 6015000), (75, 5213000), (78, 5012500), (100, 3909750), (104, 3759375), (120, 3258125), (125, 3127800), (130, 3007500), (150, 2606500), (156, 2506250), (195, 2005000), (200, 1954875), (250, 1563900), (260, 1503750), (300, 1303250), (312, 1253125), (325, 1203000), (375, 1042600), (390, 1002500), (401, 975000), (500, 781950), (520, 751875), (600, 651625), (625, 625560), (650, 601500), (750, 521300), (780, 501250), (802, 487500), (975, 401000), (1000, 390975), (1203, 325000), (1250, 312780), (1300, 300750), (1500, 260650), (1560, 250625), (1604, 243750), (1625, 240600), (1875, 208520), (1950, 200500), (2005, 195000), (2406, 162500), (2500, 156390), (2600, 150375), (3000, 130325), (3125, 125112), (3208, 121875), (3250, 120300), (3750, 104260), (3900, 100250), (4010, 97500), (4812, 81250), (4875, 80200), (5000, 78195), (5213, 75000), (6015, 65000), (6250, 62556), (6500, 60150), (7500, 52130), (7800, 50125), (8020, 48750), (8125, 48120), (9375, 41704), (9624, 40625), (9750, 40100), (10025, 39000), (10426, 37500), (12030, 32500), (12500, 31278), (13000, 30075), (15000, 26065), (15639, 25000), (16040, 24375), (16250, 24060), (18750, 20852), (19500, 20050)]