217840140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2188

約数の個数: 144

約数和(自身を含む): 764644608

約数和(自身を除く): 546804468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2083, 2324, 2490, 2905, 2988, 3486, 3735, 4166, 4980, 5229, 5810, 6249, 6972, 7470, 8332, 8715, 10415, 10458, 11620, 12498, 14581, 14940, 17430, 18747, 20830, 20916, 24996, 26145, 29162, 31245, 34860, 37494, 41660, 43743, 52290, 58324, 62490, 72905, 74988, 87486, 93735, 104580, 124980, 131229, 145810, 172889, 174972, 187470, 218715, 262458, 291620, 345778, 374940, 437430, 518667, 524916, 656145, 691556, 864445, 874860, 1037334, 1210223, 1312290, 1556001, 1728890, 2074668, 2420446, 2593335, 2624580, 3112002, 3457780, 3630669, 4840892, 5186670, 6051115, 6224004, 7261338, 7780005, 10373340, 10892007, 12102230, 14522676, 15560010, 18153345, 21784014, 24204460, 31120020, 36306690, 43568028, 54460035, 72613380, 108920070, 217840140]

約数ペア:

[(1, 217840140), (2, 108920070), (3, 72613380), (4, 54460035), (5, 43568028), (6, 36306690), (7, 31120020), (9, 24204460), (10, 21784014), (12, 18153345), (14, 15560010), (15, 14522676), (18, 12102230), (20, 10892007), (21, 10373340), (28, 7780005), (30, 7261338), (35, 6224004), (36, 6051115), (42, 5186670), (45, 4840892), (60, 3630669), (63, 3457780), (70, 3112002), (83, 2624580), (84, 2593335), (90, 2420446), (105, 2074668), (126, 1728890), (140, 1556001), (166, 1312290), (180, 1210223), (210, 1037334), (249, 874860), (252, 864445), (315, 691556), (332, 656145), (415, 524916), (420, 518667), (498, 437430), (581, 374940), (630, 345778), (747, 291620), (830, 262458), (996, 218715), (1162, 187470), (1245, 174972), (1260, 172889), (1494, 145810), (1660, 131229), (1743, 124980), (2083, 104580), (2324, 93735), (2490, 87486), (2905, 74988), (2988, 72905), (3486, 62490), (3735, 58324), (4166, 52290), (4980, 43743), (5229, 41660), (5810, 37494), (6249, 34860), (6972, 31245), (7470, 29162), (8332, 26145), (8715, 24996), (10415, 20916), (10458, 20830), (11620, 18747), (12498, 17430), (14581, 14940)]