1998570840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{757}}^1$

素因数の和:1234

約数の個数: 192

約数和(自身を含む): 6999372000

約数和(自身を除く): 5000801160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 449, 490, 588, 735, 757, 840, 898, 980, 1176, 1347, 1470, 1514, 1796, 1960, 2245, 2271, 2694, 2940, 3028, 3143, 3592, 3785, 4490, 4542, 5299, 5388, 5880, 6056, 6286, 6735, 7570, 8980, 9084, 9429, 10598, 10776, 11355, 12572, 13470, 15140, 15715, 15897, 17960, 18168, 18858, 21196, 22001, 22710, 25144, 26495, 26940, 30280, 31430, 31794, 37093, 37716, 42392, 44002, 45420, 47145, 52990, 53880, 62860, 63588, 66003, 74186, 75432, 79485, 88004, 90840, 94290, 105980, 110005, 111279, 125720, 127176, 132006, 148372, 158970, 176008, 185465, 188580, 211960, 220010, 222558, 264012, 296744, 317940, 330015, 339893, 370930, 377160, 440020, 445116, 528024, 556395, 635880, 660030, 679786, 741860, 880040, 890232, 1019679, 1112790, 1320060, 1359572, 1483720, 1699465, 2039358, 2225580, 2379251, 2640120, 2719144, 3398930, 4078716, 4451160, 4758502, 5098395, 6797860, 7137753, 8157432, 9517004, 10196790, 11896255, 13595720, 14275506, 16654757, 19034008, 20393580, 23792510, 28551012, 33309514, 35688765, 40787160, 47585020, 49964271, 57102024, 66619028, 71377530, 83273785, 95170040, 99928542, 133238056, 142755060, 166547570, 199857084, 249821355, 285510120, 333095140, 399714168, 499642710, 666190280, 999285420, 1998570840]

約数ペア:

[(1, 1998570840), (2, 999285420), (3, 666190280), (4, 499642710), (5, 399714168), (6, 333095140), (7, 285510120), (8, 249821355), (10, 199857084), (12, 166547570), (14, 142755060), (15, 133238056), (20, 99928542), (21, 95170040), (24, 83273785), (28, 71377530), (30, 66619028), (35, 57102024), (40, 49964271), (42, 47585020), (49, 40787160), (56, 35688765), (60, 33309514), (70, 28551012), (84, 23792510), (98, 20393580), (105, 19034008), (120, 16654757), (140, 14275506), (147, 13595720), (168, 11896255), (196, 10196790), (210, 9517004), (245, 8157432), (280, 7137753), (294, 6797860), (392, 5098395), (420, 4758502), (449, 4451160), (490, 4078716), (588, 3398930), (735, 2719144), (757, 2640120), (840, 2379251), (898, 2225580), (980, 2039358), (1176, 1699465), (1347, 1483720), (1470, 1359572), (1514, 1320060), (1796, 1112790), (1960, 1019679), (2245, 890232), (2271, 880040), (2694, 741860), (2940, 679786), (3028, 660030), (3143, 635880), (3592, 556395), (3785, 528024), (4490, 445116), (4542, 440020), (5299, 377160), (5388, 370930), (5880, 339893), (6056, 330015), (6286, 317940), (6735, 296744), (7570, 264012), (8980, 222558), (9084, 220010), (9429, 211960), (10598, 188580), (10776, 185465), (11355, 176008), (12572, 158970), (13470, 148372), (15140, 132006), (15715, 127176), (15897, 125720), (17960, 111279), (18168, 110005), (18858, 105980), (21196, 94290), (22001, 90840), (22710, 88004), (25144, 79485), (26495, 75432), (26940, 74186), (30280, 66003), (31430, 63588), (31794, 62860), (37093, 53880), (37716, 52990), (42392, 47145), (44002, 45420)]